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            <title>45 Contoh Soal Fungsi Invers beserta Rumus dan Jawabannya Lengkap</title>
            <category>Latihan Soal</category>
            <link>https://mamikos.com/info/contoh-soal-fungsi-invers-pljr/</link>
            <pubDate>Thu, 13 Nov 2025 09:55:00 +0000</pubDate>
            <dc:creator>Lintang Filia</dc:creator>
            <guid>https://mamikos.com/info/contoh-soal-fungsi-invers-pljr/</guid>
            <description><![CDATA[<p>Belajar mengenai fungsi invers memang harus teliti. Maka dari itu, asah kemampuan menghitung fungsi invers dengan mengerjakan contoh soal.</p>
<p>The post <a href="https://mamikos.com/info/contoh-soal-fungsi-invers-pljr/">45 Contoh Soal Fungsi Invers beserta Rumus dan Jawabannya Lengkap</a> appeared first on <a href="https://mamikos.com/info">Blog Mamikos</a>.</p>
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<p>Terkadang, materi Matematika yang didapat di sekolah membuat kamu harus kembali mengulangnya di rumah agar lebih paham. </p>



<p>Terutama jika
materi yang didapat terkait dengan fungsi invers yang memerlukan ketelitian
lebih karena rumusnya yang rumit. </p>



<p>Untuk membantu kamu belajar di rumah, artikel ini akan memuat contoh soal fungsi invers yang bisa kamu pelajari sendiri. <img src="https://s.w.org/images/core/emoji/14.0.0/72x72/1f4d6.png" alt="📖" class="wp-smiley" style="height: 1em; max-height: 1em;" /><img src="https://s.w.org/images/core/emoji/14.0.0/72x72/1f60a.png" alt="😊" class="wp-smiley" style="height: 1em; max-height: 1em;" /><img src="https://s.w.org/images/core/emoji/14.0.0/72x72/2728.png" alt="✨" class="wp-smiley" style="height: 1em; max-height: 1em;" /></p>



<h2 class="wp-block-heading">Rumus Fungsi Invers</h2>


<div class="wp-block-image">
<figure class="aligncenter"><img fetchpriority="high" decoding="async" width="960" height="640" src="https://blog-static.mamikos.com/wp-content/uploads/2024/02/Contoh-soal-fungsi-invers.jpg" alt="Contoh soal fungsi invers" class="wp-image-224999" srcset="https://blog-static.mamikos.com/wp-content/uploads/2024/02/Contoh-soal-fungsi-invers.jpg 960w, https://blog-static.mamikos.com/wp-content/uploads/2024/02/Contoh-soal-fungsi-invers-300x200.jpg 300w, https://blog-static.mamikos.com/wp-content/uploads/2024/02/Contoh-soal-fungsi-invers-500x333.jpg 500w, https://blog-static.mamikos.com/wp-content/uploads/2024/02/Contoh-soal-fungsi-invers-768x512.jpg 768w, https://blog-static.mamikos.com/wp-content/uploads/2024/02/Contoh-soal-fungsi-invers-600x400.jpg 600w" sizes="(max-width: 960px) 100vw, 960px" /><figcaption class="wp-element-caption">Canva/@undrey</figcaption></figure></div>

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<p>Fungsi invers adalah konsep dalam matematika yang berkaitan
dengan hubungan antara dua fungsi.</p>



<p>Di mana setiap elemen dalam domain atau himpunan asal fungsi pertama dipetakan ke satu elemen dalam domain atau himpunan asal <a rel="noreferrer noopener" aria-label=" (opens in a new tab)" href="https://mamikos.com/info/contoh-relasi-dan-fungsi-dalam-matematika-pljr/" target="_blank">relasi dan fungsi</a> kedua, dan sebaliknya. </p>



<p>Dengan kata lain, jika <em>f(x)</em> adalah fungsi, maka fungsi inversnya, yang sering dilambangkan sebagai <img decoding="async" src="https://latex.codecogs.com/gif.latex?f^{-1}(x)" alt="f^{-1}(x)" align="absmiddle">, memetakan nilai-nilai <em>f(x)</em> kembali ke nilai <em>x</em>&nbsp; asal.</p>



<p>Jadi, jika <em>f(x)</em> memetakan <em>x</em> menjadi <em>y</em>, maka&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?f^{-1}(x)" alt="f^{-1}(x)" align="absmiddle"> memetakan <em>y</em> kembali ke <em>x</em>, asalkan <em>f</em>&nbsp; adalah fungsi yang terbalik.</p>



<p>Dalam beberapa kasus, fungsi invers tidak selalu ada atau
unik, tergantung pada sifat fungsi aslinya.</p>



<h3 class="wp-block-heading"><strong>Rumus Invers</strong></h3>


<div class="wp-block-image">
<figure class="aligncenter"><img decoding="async" width="960" height="640" src="https://blog-static.mamikos.com/wp-content/uploads/2024/02/Contoh-soal-fungsi-invers-rumus-fungsi-invers.jpg" alt="Contoh soal fungsi invers - rumus fungsi invers" class="wp-image-225000" srcset="https://blog-static.mamikos.com/wp-content/uploads/2024/02/Contoh-soal-fungsi-invers-rumus-fungsi-invers.jpg 960w, https://blog-static.mamikos.com/wp-content/uploads/2024/02/Contoh-soal-fungsi-invers-rumus-fungsi-invers-300x200.jpg 300w, https://blog-static.mamikos.com/wp-content/uploads/2024/02/Contoh-soal-fungsi-invers-rumus-fungsi-invers-500x333.jpg 500w, https://blog-static.mamikos.com/wp-content/uploads/2024/02/Contoh-soal-fungsi-invers-rumus-fungsi-invers-768x512.jpg 768w, https://blog-static.mamikos.com/wp-content/uploads/2024/02/Contoh-soal-fungsi-invers-rumus-fungsi-invers-600x400.jpg 600w" sizes="(max-width: 960px) 100vw, 960px" /><figcaption class="wp-element-caption">Ruangguru</figcaption></figure></div>


<h2 class="wp-block-heading">Kumpulan Contoh Soal Fungsi Invers</h2>



<p>35 contoh soal fungsi invers berikut sudah disertai dengan
jawabannya untuk lebih mempermudah kamu mencari jawaban yang benar.</p>



<h2 class="wp-block-heading">Contoh Soal Fungsi Invers – Bagian 1</h2>



<h4 class="wp-block-heading">1. Jika <em>f(x) = 2x + 3</em>, apa fungsi inversnya?</h4>



<p>&nbsp;&nbsp; A.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;f^{-1}(x)&amp;space;=&amp;space;\frac{x}{2}&amp;space;-&amp;space;3&amp;space;\)" alt="\( f^{-1}(x) = \frac{x}{2} - 3 \)" align="absmiddle"></p>



<p>&nbsp;&nbsp; B.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;f^{-1}(x)&amp;space;=&amp;space;\frac{x}{2}&amp;space;+&amp;space;3&amp;space;\)" alt="\( f^{-1}(x) = \frac{x}{2} + 3 \)" align="absmiddle"></p>



<p>&nbsp;&nbsp; C.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;f^{-1}(x)&amp;space;=&amp;space;\frac{x-3}{2}&amp;space;\)" alt="\( f^{-1}(x) = \frac{x-3}{2} \)" align="absmiddle"></p>



<p>&nbsp;&nbsp; D.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;f^{-1}(x)&amp;space;=&amp;space;\frac{x+3}{2}&amp;space;\)" alt="\( f^{-1}(x) = \frac{x+3}{2} \)" align="absmiddle"></p>



<p>&nbsp;&nbsp; Jawaban: C</p>



<h4>2. Jika <img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;g(x)&amp;space;=&amp;space;4x^2&amp;space;-&amp;space;1&amp;space;\)" alt="\( g(x) = 4x^2 - 1 \)" align="absmiddle">, apa fungsi inversnya?</h4>



<p>   A. <img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;g^{-1}(x)&amp;space;=&amp;space;\sqrt{\frac{x+1}{4}}&amp;space;\)" alt="\( g^{-1}(x) = \sqrt{\frac{x+1}{4}} \)" align="absmiddle" /></p>



<p>&nbsp;&nbsp; B.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;g^{-1}(x)&amp;space;=&amp;space;\sqrt{\frac{x-1}{4}}&amp;space;\)" alt="\( g^{-1}(x) = \sqrt{\frac{x-1}{4}} \)" align="absmiddle"></p>



<p>&nbsp;&nbsp; C.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;g^{-1}(x)&amp;space;=&amp;space;\sqrt{\frac{x}{4}}&amp;space;-&amp;space;1&amp;space;\)" alt="\( g^{-1}(x) = \sqrt{\frac{x}{4}} - 1 \)" align="absmiddle"></p>



<p>&nbsp;&nbsp; D.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;g^{-1}(x)&amp;space;=&amp;space;\sqrt{\frac{x}{4}}&amp;space;+&amp;space;1&amp;space;\)" alt="\( g^{-1}(x) = \sqrt{\frac{x}{4}} + 1 \)" align="absmiddle"></p>



<p>&nbsp;&nbsp; Jawaban: B</p>


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<h4>3. Fungsi&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;h(x)&amp;space;=&amp;space;\frac{2x}{3}&amp;space;+&amp;space;5&amp;space;\)" alt="\( h(x) = \frac{2x}{3} + 5 \)" align="absmiddle"> memiliki fungsi invers yang mana dari pilihan di bawah ini?</h4>



<p>&nbsp;&nbsp; A.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;h^{-1}(x)&amp;space;=&amp;space;\frac{3x}{2}&amp;space;+&amp;space;5&amp;space;\)" alt="\( h^{-1}(x) = \frac{3x}{2} + 5 \)" align="absmiddle"></p>



<p>&nbsp;&nbsp; B.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;h^{-1}(x)&amp;space;=&amp;space;\frac{3x}{2}&amp;space;-&amp;space;5&amp;space;\)" alt="\( h^{-1}(x) = \frac{3x}{2} - 5 \)" align="absmiddle"></p>



<p>&nbsp;&nbsp; C.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;h^{-1}(x)&amp;space;=&amp;space;\frac{3(x-5)}{2}&amp;space;\)" alt="\( h^{-1}(x) = \frac{3(x-5)}{2} \)" align="absmiddle"></p>



<p>&nbsp;&nbsp; D.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;h^{-1}(x)&amp;space;=&amp;space;\frac{3(x+5)}{2}&amp;space;\)" alt="\( h^{-1}(x) = \frac{3(x+5)}{2} \)" align="absmiddle"></p>



<p>&nbsp;&nbsp; Jawaban: C</p>



<h4>4. Fungsi&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;f(x)&amp;space;=&amp;space;e^x&amp;space;\)" alt="\( f(x) = e^x \)" align="absmiddle"> memiliki fungsi invers yang disebut sebagai …</h4>



<p>&nbsp;&nbsp; A. Logaritma
natural</p>



<p>&nbsp;&nbsp; B. Logaritma basis
10</p>



<p>&nbsp;&nbsp; C. Fungsi
eksponensial</p>



<p>&nbsp;&nbsp; D. Logaritma biner</p>



<p>&nbsp;&nbsp; Jawaban: A</p>



<h4>5. Jika <img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;f(x)&amp;space;=&amp;space;\frac{1}{x}&amp;space;\)" alt="\( f(x) = \frac{1}{x} \)" align="absmiddle">, apa fungsi inversnya?</h4>



<p>&nbsp;&nbsp; A.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;f^{-1}(x)&amp;space;=&amp;space;x&amp;space;\)" alt="\( f^{-1}(x) = x \)" align="absmiddle"></p>



<p>&nbsp;&nbsp; B.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;f^{-1}(x)&amp;space;=&amp;space;\frac{1}{x}&amp;space;\)" alt="\( f^{-1}(x) = \frac{1}{x} \)" align="absmiddle"></p>



<p>&nbsp;&nbsp; C.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;f^{-1}(x)&amp;space;=&amp;space;-\frac{1}{x}&amp;space;\)" alt="\( f^{-1}(x) = -\frac{1}{x} \)" align="absmiddle"></p>



<p>&nbsp;&nbsp; D.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;f^{-1}(x)&amp;space;=&amp;space;\frac{1}{-x}&amp;space;\)" alt="\( f^{-1}(x) = \frac{1}{-x} \)" align="absmiddle"></p>



<p>&nbsp;&nbsp; Jawaban: C</p>



<h4>6. Jika <img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;g(x)&amp;space;=&amp;space;\sqrt{x+2}&amp;space;\)" alt="\( g(x) = \sqrt{x+2} \)" align="absmiddle">, fungsi inversnya adalah …</h4>



<p>&nbsp;&nbsp; A.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;g^{-1}(x)&amp;space;=&amp;space;x^2&amp;space;+&amp;space;2&amp;space;\)" alt="\( g^{-1}(x) = x^2 + 2 \)" align="absmiddle"></p>



<p>&nbsp;&nbsp; B.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;g^{-1}(x)&amp;space;=&amp;space;\sqrt{x}&amp;space;+&amp;space;2&amp;space;\)" alt="\( g^{-1}(x) = \sqrt{x} + 2 \)" align="absmiddle"></p>



<p>&nbsp;&nbsp; C.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;g^{-1}(x)&amp;space;=&amp;space;x^2&amp;space;-&amp;space;2&amp;space;\)" alt="\( g^{-1}(x) = x^2 - 2 \)" align="absmiddle"></p>



<p>&nbsp;&nbsp; D.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;g^{-1}(x)&amp;space;=&amp;space;(x-2)^2&amp;space;\)" alt="\( g^{-1}(x) = (x-2)^2 \)" align="absmiddle"></p>



<p>&nbsp;&nbsp; Jawaban: C</p>



<h4>7. Jika <img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;h(x)&amp;space;=&amp;space;3x&amp;space;-&amp;space;4&amp;space;\)" alt="\( h(x) = 3x - 4 \)" align="absmiddle">, fungsi inversnya adalah …</h4>



<p>&nbsp;&nbsp; A.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;h^{-1}(x)&amp;space;=&amp;space;\frac{x+4}{3}&amp;space;\)" alt="\( h^{-1}(x) = \frac{x+4}{3} \)" align="absmiddle"></p>



<p>&nbsp;&nbsp; B.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;h^{-1}(x)&amp;space;=&amp;space;\frac{x}{3}&amp;space;-&amp;space;4&amp;space;\)" alt="\( h^{-1}(x) = \frac{x}{3} - 4 \)" align="absmiddle"></p>



<p>&nbsp;&nbsp; C.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;h^{-1}(x)&amp;space;=&amp;space;\frac{x+4}{3}&amp;space;-&amp;space;4&amp;space;\)" alt="\( h^{-1}(x) = \frac{x+4}{3} - 4 \)" align="absmiddle"></p>



<p>&nbsp;&nbsp; D.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;h^{-1}(x)&amp;space;=&amp;space;\frac{x}{3}&amp;space;+&amp;space;4&amp;space;\)" alt="\( h^{-1}(x) = \frac{x}{3} + 4 \)" align="absmiddle"></p>



<p>&nbsp;&nbsp; Jawaban: A</p>


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<h2 class="wp-block-heading">Contoh Soal Fungsi Invers – Bagian 2</h2>



<h4>8. Jika <img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;f(x)&amp;space;=&amp;space;x^3&amp;space;\)" alt="\( f(x) = x^3 \)" align="absmiddle">, apa fungsi inversnya?</h4>



<p>&nbsp;&nbsp; A.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;f^{-1}(x)&amp;space;=&amp;space;\sqrt[3]{x}&amp;space;\)" alt="\( f^{-1}(x) = \sqrt[3]{x} \)" align="absmiddle"></p>



<p>&nbsp;&nbsp; B.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;f^{-1}(x)&amp;space;=&amp;space;\sqrt{x}&amp;space;\)" alt="\( f^{-1}(x) = \sqrt{x} \)" align="absmiddle"></p>



<p>&nbsp;&nbsp; C.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;f^{-1}(x)&amp;space;=&amp;space;\frac{1}{x^3}&amp;space;\)" alt="\( f^{-1}(x) = \frac{1}{x^3} \)" align="absmiddle"></p>



<p>&nbsp;&nbsp; D.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;f^{-1}(x)&amp;space;=&amp;space;\sqrt[3]{\frac{1}{x}}&amp;space;\)" alt="\( f^{-1}(x) = \sqrt[3]{\frac{1}{x}} \)" align="absmiddle"></p>



<p>&nbsp;&nbsp; Jawaban: A</p>



<h4>9. Fungsi&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;g(x)&amp;space;=&amp;space;\log_{10}(x)&amp;space;\)" alt="\( g(x) = \log_{10}(x) \)" align="absmiddle"> memiliki fungsi invers yang disebut sebagai …</h4>



<p>&nbsp;&nbsp; A. Logaritma
natural</p>



<p>&nbsp;&nbsp; B. Logaritma basis
10</p>



<p>&nbsp;&nbsp; C. Fungsi
eksponensial</p>



<p>&nbsp;&nbsp; D. Logaritma biner</p>



<p>&nbsp;&nbsp; Jawaban: C</p>



<h4>10.&nbsp; <img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;h(x)&amp;space;=&amp;space;2^{x+1}&amp;space;\)" alt="\( h(x) = 2^{x+1} \)" align="absmiddle">, fungsi inversnya adalah …</h4>



<p>&nbsp;&nbsp;&nbsp; A.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;h^{-1}(x)&amp;space;=&amp;space;\log_2(x)&amp;space;-&amp;space;1&amp;space;\)" alt="\( h^{-1}(x) = \log_2(x) - 1 \)" align="absmiddle"></p>



<p>&nbsp;&nbsp;&nbsp; B.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;h^{-1}(x)&amp;space;=&amp;space;\log_2(x+1)&amp;space;\)" alt="\( h^{-1}(x) = \log_2(x+1) \)" align="absmiddle"></p>



<p>&nbsp;&nbsp;&nbsp; C.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;h^{-1}(x)&amp;space;=&amp;space;\log_2(x-1)&amp;space;\)" alt="\( h^{-1}(x) = \log_2(x-1) \)" align="absmiddle"></p>



<p>&nbsp;&nbsp;&nbsp; D.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\(&amp;space;h^{-1}(x)&amp;space;=&amp;space;\log_2(x)&amp;space;-&amp;space;2&amp;space;\)" alt="\( h^{-1}(x) = \log_2(x) - 2 \)" align="absmiddle"></p>



<p>&nbsp;&nbsp;&nbsp; Jawaban: A</p>



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<h4 class="wp-block-heading">11. Temukan invers dari fungsi berikut: f(x) = 3x &#8211; 7.</h4>



<p>&nbsp; &nbsp;A.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?g(x)&amp;space;=&amp;space;(x&amp;space;+&amp;space;7)/3" alt="g(x) = (x + 7)/3" align="absmiddle"></p>



<p>&nbsp; &nbsp;B.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?g(x)&amp;space;=&amp;space;(x&amp;space;-&amp;space;7)/3" alt="g(x) = (x - 7)/3" align="absmiddle"></p>



<p>&nbsp; &nbsp;C.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?g(x)&amp;space;=&amp;space;3x&amp;space;+&amp;space;7" alt="g(x) = 3x + 7" align="absmiddle"></p>



<p>&nbsp; &nbsp;D.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?g(x)&amp;space;=&amp;space;(x&amp;space;-&amp;space;3)/7" alt="g(x) = (x - 3)/7" align="absmiddle"></p>



<p>&nbsp;&nbsp; Jawaban: A</p>



<h4 class="wp-block-heading">12. Hitunglah nilai dari invers fungsi f(x) = √(x &#8211; 2).</h4>



<p>&nbsp;&nbsp; A. 9</p>



<p>&nbsp;&nbsp; B. 10</p>



<p>&nbsp;&nbsp; C. 11</p>



<p>&nbsp;&nbsp; D. 12</p>



<p>&nbsp;&nbsp; Jawaban: D</p>



<h4 class="wp-block-heading">13. Carilah invers dari fungsi f(x) = log₄(x + 3).</h4>



<p>&nbsp;&nbsp; A. g(x) = 4^x &#8211; 3</p>



<p>&nbsp;&nbsp; B. g(x) = 4^(x &#8211; 3)</p>



<p>&nbsp;&nbsp; C. g(x) = 4^x + 3</p>



<p>&nbsp;&nbsp; D. g(x) = 4^(x + 3)</p>



<p>&nbsp;&nbsp; Jawaban: B</p>



<h4 class="wp-block-heading">14. Tentukan fungsi invers dari f(x) = tan(2x).</h4>



<p>&nbsp;&nbsp; A. g(x) = arctan(2x)</p>



<p>&nbsp;&nbsp; B. g(x) = arctan(x)</p>



<p>&nbsp;&nbsp; C. g(x) = tan^(-1)(2x)</p>



<p>&nbsp;&nbsp; D. g(x) = tan^(-1)(x)</p>



<p>&nbsp;&nbsp; Jawaban: A</p>



<h2 class="wp-block-heading">Contoh Soal Fungsi Invers – Bagian 3</h2>



<h4>15. Hitung nilai invers dari <img decoding="async" src="https://latex.codecogs.com/gif.latex?f(x)&amp;space;=&amp;space;e^(5x)" alt="f(x) = e^(5x)" align="absmiddle">.</h4>



<p>&nbsp; &nbsp;A.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?ln(x)/5" alt="ln(x)/5" align="absmiddle"></p>



<p>&nbsp; &nbsp;B.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?ln(x)/e" alt="ln(x)/e" align="absmiddle"></p>



<p>&nbsp; &nbsp;C.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?ln(5x)" alt="ln(5x)" align="absmiddle"></p>



<p>&nbsp; &nbsp;D.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?ln(5x)/e" alt="ln(5x)/e" align="absmiddle"></p>



<p>&nbsp;&nbsp; Jawaban: A</p>



<h4>16. Tentukan invers dari fungsi <img decoding="async" src="https://latex.codecogs.com/gif.latex?f(x)&amp;space;=&amp;space;4/(x&amp;space;-&amp;space;5)" alt="f(x) = 4/(x - 5)" align="absmiddle">.</h4>



<p>&nbsp; &nbsp;A.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?g(x)&amp;space;=&amp;space;(4&amp;space;-&amp;space;x)/5" alt="g(x) = (4 - x)/5" align="absmiddle"></p>



<p>&nbsp; &nbsp;B.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?g(x)&amp;space;=&amp;space;(4x&amp;space;-&amp;space;5)/2" alt="g(x) = (4x - 5)/2" align="absmiddle"></p>



<p>&nbsp; &nbsp;C.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?g(x)&amp;space;=&amp;space;(4x&amp;space;+&amp;space;5)/2" alt="g(x) = (4x + 5)/2" align="absmiddle"></p>



<p>&nbsp; &nbsp;D.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?g(x)&amp;space;=&amp;space;(4&amp;space;+&amp;space;x)/5" alt="g(x) = (4 + x)/5" align="absmiddle"></p>



<p>&nbsp;&nbsp; Jawaban: C</p>



<h4 class="wp-block-heading">17. Cari nilai dari invers fungsi f(x) = sin(πx).</h4>



<p>&nbsp;&nbsp; A. π/2</p>



<p>&nbsp;&nbsp; B. π</p>



<p>&nbsp;&nbsp; C. 2π</p>



<p>&nbsp;&nbsp; D. 3π/2</p>



<p>&nbsp;&nbsp; Jawaban: B</p>



<h4 class="wp-block-heading">18. Temukan invers dari fungsi f(x) = cos(x).</h4>



<p>&nbsp;&nbsp; A. g(x) = arccos(x)</p>



<p>&nbsp;&nbsp; B. g(x) = arcsin(x)</p>



<p>&nbsp;&nbsp; C. g(x) = arctan(x)</p>



<p>&nbsp;&nbsp; D. g(x) = tan(x)</p>



<p>&nbsp;&nbsp; Jawaban: A</p>



<h4>19. Carilah invers dari <img decoding="async" src="https://latex.codecogs.com/gif.latex?f(x)&amp;space;=&amp;space;2x^2&amp;space;+&amp;space;4x&amp;space;-&amp;space;3" alt="f(x) = 2x^2 + 4x - 3" align="absmiddle">.</h4>



<p>&nbsp;&nbsp; A. g(x) = √(x + 3)/2</p>



<p>&nbsp;&nbsp; B. g(x) = √(x &#8211; 3)/2</p>



<p>&nbsp;&nbsp; C. g(x) = √(x &#8211; 3)/4</p>



<p>&nbsp;&nbsp; D. g(x) = √(x + 3)/4</p>



<p>&nbsp;&nbsp; Jawaban: B</p>



<h4>20. Hitung nilai dari invers fungsi <img decoding="async" src="https://latex.codecogs.com/gif.latex?f(x)&amp;space;=&amp;space;log(x^2)" alt="f(x) = log(x^2)" align="absmiddle">.</h4>



<p>&nbsp;&nbsp;&nbsp; A. 1</p>



<p>&nbsp;&nbsp;&nbsp; B. e</p>



<p>&nbsp;&nbsp;&nbsp; C. 2</p>



<p>&nbsp;&nbsp;&nbsp; D. 0</p>



<p>&nbsp;&nbsp;&nbsp; Jawaban: B</p>



<h4 class="wp-block-heading">21. Carilah invers dari fungsi f(x) = 2/(3x &#8211; 1).</h4>



<p>&nbsp;&nbsp; A. g(x) = (2 &#8211; x)/3</p>



<p>&nbsp;&nbsp; B. g(x) = (2x &#8211; 1)/3</p>



<p>&nbsp;&nbsp; C. g(x) = (2x + 1)/3</p>



<p>&nbsp;&nbsp; D. g(x) = (2 + x)/3</p>



<p>&nbsp;&nbsp; Jawaban: B</p>



<h2 class="wp-block-heading">Contoh Soal Fungsi Invers – Bagian 4</h2>



<h4>22. Tentukan invers dari fungsi <img decoding="async" src="https://latex.codecogs.com/gif.latex?f(x)&amp;space;=&amp;space;e^(x&amp;space;+&amp;space;2)" alt="f(x) = e^(x + 2)" align="absmiddle">.</h4>



<p>&nbsp;&nbsp; A. g(x) = ln(x + 2)</p>



<p>&nbsp;&nbsp; B. g(x) = ln(x) &#8211; 2</p>



<p>&nbsp;&nbsp; C. g(x) = ln(x) + 2</p>



<p>&nbsp;&nbsp; D. g(x) = ln(x &#8211; 2)</p>



<p>&nbsp;&nbsp; Jawaban: A</p>



<h4>23. Jika <em>f(x) = log₂(x &#8211; 3)</em>, berapakah nilai <img decoding="async" src="https://latex.codecogs.com/gif.latex?f^(-1)(8)" alt="f^(-1)(8)" align="absmiddle">?</h4>



<p>&nbsp;&nbsp; A. 11</p>



<p>&nbsp;&nbsp; B. 10</p>



<p>&nbsp;&nbsp; C. 9</p>



<p>&nbsp;&nbsp; D. 8</p>



<p>&nbsp;&nbsp; Jawaban: A</p>



<h4 class="wp-block-heading">24. Hitung nilai dari invers fungsi f(x) = 3sin(x).</h4>



<p>&nbsp;&nbsp; A.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?arcsin(3x)" alt="arcsin(3x)" align="absmiddle"></p>



<p>&nbsp;&nbsp; B.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?sin^(-1)(3x)" alt="sin^(-1)(3x)" align="absmiddle"></p>



<p>&nbsp;&nbsp; C.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?arcsin(x)/3" alt="arcsin(x)/3" align="absmiddle"></p>



<p>&nbsp;&nbsp; D.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?sin(x)/3" alt="sin(x)/3" align="absmiddle"></p>



<p>&nbsp;&nbsp; Jawaban: C</p>



<h4>25. Carilah invers dari fungsi <img decoding="async" src="https://latex.codecogs.com/gif.latex?f(x)&amp;space;=&amp;space;5x^3&amp;space;-&amp;space;2" alt="f(x) = 5x^3 - 2" align="absmiddle">.</h4>



<p>&nbsp;&nbsp; A. g(x) = ∛((x + 2)/5)</p>



<p>&nbsp;&nbsp; B. g(x) = ∛((x &#8211; 2)/5)</p>



<p>&nbsp;&nbsp; C. g(x) = ∛((x &#8211; 2)/5) + 2</p>



<p>&nbsp;&nbsp; D. g(x) = ∛((x + 2)/5) &#8211; 2</p>



<p>&nbsp;&nbsp; Jawaban: A</p>



<h4 class="wp-block-heading">26. Jika f(x) = tan(2x), maka inversnya adalah …</h4>



<p>&nbsp;&nbsp; A. g(x) = arctan(2x)</p>



<p>&nbsp;&nbsp; B. g(x) = arctan(x)</p>



<p>&nbsp;&nbsp; C. g(x) = tan^(-1)(2x)</p>



<p>&nbsp;&nbsp; D. g(x) = tan^(-1)(x)</p>



<p>&nbsp;&nbsp; Jawaban: A</p>



<h4 class="wp-block-heading">27. Temukan invers dari fungsi f(x) = 4/(x + 7).</h4>



<p>&nbsp;&nbsp; A. g(x) = (4 &#8211; x)/7</p>



<p>&nbsp;&nbsp; B. g(x) = (4x &#8211; 7)/2</p>



<p>&nbsp;&nbsp; C. g(x) = (4x + 7)/2</p>



<p>&nbsp;&nbsp; D. g(x) = (4 + x)/7</p>



<p>&nbsp;&nbsp; Jawaban: C</p>



<h4 class="wp-block-heading">28. Cari nilai invers dari f(x) = cos(πx).</h4>



<p>&nbsp;&nbsp; A. π/2</p>



<p>&nbsp;&nbsp; B. π</p>



<p>&nbsp;&nbsp; C. 2π</p>



<p>&nbsp;&nbsp; D. 3π/2</p>



<p>&nbsp;&nbsp; Jawaban: B</p>



<h2 class="wp-block-heading">Contoh Soal Fungsi Invers – Bagian 5</h2>



<h4>29. Hitung invers dari fungsi <img decoding="async" src="https://latex.codecogs.com/gif.latex?f(x)&amp;space;=&amp;space;log(x^3)" alt="f(x) = log(x^3)" align="absmiddle">.</h4>



<p>&nbsp; &nbsp;A.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?x^(1/3)" alt="x^(1/3)" align="absmiddle"></p>



<p>&nbsp; &nbsp;B.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?x^(1/3)/3" alt="x^(1/3)/3" align="absmiddle"></p>



<p>&nbsp; &nbsp;C.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?x^(1/3)&amp;space;+&amp;space;3" alt="x^(1/3) + 3" align="absmiddle"></p>



<p>&nbsp; &nbsp;D.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?3x^(1/3)" alt="3x^(1/3)" align="absmiddle"></p>



<p>&nbsp;&nbsp; Jawaban: A</p>



<h4>30. Tentukan invers dari fungsi f(x) = √<img decoding="async" src="https://latex.codecogs.com/gif.latex?(x^2&amp;space;+&amp;space;1)" alt="(x^2 + 1)" align="absmiddle">.</h4>



<p>&nbsp; &nbsp; A. g(x) = √<img decoding="async" src="https://latex.codecogs.com/gif.latex?(x^2&amp;space;-&amp;space;1)" alt="(x^2 - 1)" align="absmiddle"></p>



<p>&nbsp; &nbsp; B. g(x) = √<img decoding="async" src="https://latex.codecogs.com/gif.latex?(x^2&amp;space;+&amp;space;1)" alt="(x^2 + 1)" align="absmiddle"></p>



<p>&nbsp; &nbsp; C. g(x) = √<img decoding="async" src="https://latex.codecogs.com/gif.latex?(x^2&amp;space;-&amp;space;1)&amp;space;-&amp;space;1" alt="(x^2 - 1) - 1" align="absmiddle"></p>



<p>&nbsp; &nbsp; D. g(x) = √<img decoding="async" src="https://latex.codecogs.com/gif.latex?(x^2&amp;space;+&amp;space;1)&amp;space;-&amp;space;1" alt="(x^2 + 1) - 1" align="absmiddle"></p>



<p>&nbsp;&nbsp;&nbsp; Jawaban: B</p>



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<h4 class="wp-block-heading">31. Tentukan invers dari fungsi f(x) = 2x + 3.</h4>



<p>&nbsp; &nbsp;A.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?g(x)&amp;space;=&amp;space;\frac{x}{2}&amp;space;+&amp;space;3" alt="g(x) = \frac{x}{2} + 3" align="absmiddle"></p>



<p>&nbsp; &nbsp;B.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?g(x)&amp;space;=&amp;space;\frac{x}{2}&amp;space;-&amp;space;3" alt="g(x) = \frac{x}{2} - 3" align="absmiddle"></p>



<p>&nbsp; &nbsp;C.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?g(x)&amp;space;=&amp;space;2x&amp;space;-&amp;space;3" alt="g(x) = 2x - 3" align="absmiddle"></p>



<p>&nbsp; &nbsp;D.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?g(x)&amp;space;=&amp;space;2(x&amp;space;-&amp;space;3)" alt="g(x) = 2(x - 3)" align="absmiddle"></p>



<p>&nbsp;&nbsp; Jawaban: A</p>



<h4 class="wp-block-heading">32. Cari nilai dari invers fungsi f(x) = 5x.</h4>



<p>&nbsp;&nbsp; A. 5 </p>



<p>&nbsp;&nbsp; B.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\frac{1}{5}" alt="\frac{1}{5}" align="absmiddle"></p>



<p>&nbsp; &nbsp;C.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\frac{x}{5}" alt="\frac{x}{5}" align="absmiddle"></p>



<p>&nbsp;&nbsp; D. x &#8211; 5 </p>



<p>&nbsp;&nbsp; Jawaban: C</p>



<h4>33. Temukan invers dari fungsi <img decoding="async" src="https://latex.codecogs.com/gif.latex?f(x)&amp;space;=&amp;space;\frac{1}{x}" alt="f(x) = \frac{1}{x}" align="absmiddle">.</h4>



<p>&nbsp;&nbsp; A. g(x) = x</p>



<p>&nbsp;&nbsp; B. g(x) = -x</p>



<p>&nbsp; &nbsp;C.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?g(x)&amp;space;=&amp;space;\frac{1}{x}" alt="g(x) = \frac{1}{x}" align="absmiddle"></p>



<p>&nbsp; &nbsp;D.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?g(x)&amp;space;=&amp;space;-\frac{1}{x}" alt="g(x) = -\frac{1}{x}" align="absmiddle"></p>



<p>&nbsp;&nbsp; Jawaban: C</p>



<h4>34. Hitung nilai dari invers fungsi <img decoding="async" src="https://latex.codecogs.com/gif.latex?f(x)&amp;space;=&amp;space;x^2" alt="f(x) = x^2" align="absmiddle" />.</h4>



<p>&nbsp; &nbsp;A.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\sqrt{x}" alt="\sqrt{x}" align="absmiddle"></p>



<p>&nbsp; &nbsp;B.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\frac{1}{x^2}" alt="\frac{1}{x^2}" align="absmiddle"></p>



<p>&nbsp; &nbsp;C.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?\sqrt[3]{x}" alt="\sqrt[3]{x}" align="absmiddle"></p>



<p>&nbsp; &nbsp;D.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?x^2" alt="x^2" align="absmiddle"></p>



<p>&nbsp;&nbsp; Jawaban: A</p>



<h4>35. Carilah invers dari fungsi <img decoding="async" src="https://latex.codecogs.com/gif.latex?f(x)&amp;space;=&amp;space;\frac{1}{2}x" alt="f(x) = \frac{1}{2}x" align="absmiddle" />.</h4>



<p>   A. <img decoding="async" src="https://latex.codecogs.com/gif.latex?g(x)&amp;space;=&amp;space;2x" alt="g(x) = 2x" align="absmiddle" /></p>



<p>   B. <img decoding="async" src="https://latex.codecogs.com/gif.latex?g(x)&amp;space;=&amp;space;\frac{1}{2}x" alt="g(x) = \frac{1}{2}x" align="absmiddle" /></p>



<p>&nbsp; &nbsp;c.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?g(x)&amp;space;=&amp;space;\frac{1}{x}" alt="g(x) = \frac{1}{x}" align="absmiddle"></p>



<p>&nbsp; &nbsp;d.&nbsp;<img decoding="async" src="https://latex.codecogs.com/gif.latex?g(x)&amp;space;=&amp;space;x&amp;space;-&amp;space;2" alt="g(x) = x - 2" align="absmiddle"></p>



<p>&nbsp;&nbsp; Jawaban: B</p>


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<h4 class="wp-block-heading">36. Temukan invers dari fungsi f(x) = 3x &#8211; 5.</h4>



<p>   A. g(x) = (x &#8211; 5)/3</p>



<p>   B. g(x) = (x + 5)/3</p>



<p>   C. g(x) = 3x + 5</p>



<p>   D. g(x) = 3x &#8211; 5</p>



<p>   Jawaban: A</p>



<h4 class="wp-block-heading">37. Temukan invers dari fungsi f(x) = 2/(x &#8211; 3).</h4>



<p>   A. g(x) = 3 + 2/x</p>



<p>   B. g(x) = 3 &#8211; 2/x</p>



<p>   C. g(x) = (2 &#8211; x)/3</p>



<p>   D. g(x) = (x &#8211; 2)/3</p>



<p>   Jawaban: A</p>



<h4 class="wp-block-heading">38. Temukan invers dari fungsi f(x) = 5x + 4.</h4>



<p>   A. g(x) = (x &#8211; 4)/5</p>



<p>   B. g(x) = (x + 4)/5</p>



<p>   C. g(x) = 5x &#8211; 4</p>



<p>   D. g(x) = 5x + 4</p>



<p>   Jawaban: A</p>



<h4 class="wp-block-heading">39. Temukan invers dari fungsi f(x) = (x &#8211; 2)/6.</h4>



<p>   A. g(x) = 6x + 2</p>



<p>   B. g(x) = 6x &#8211; 2</p>



<p>   C. g(x) = (6 &#8211; x)/2</p>



<p>   D. g(x) = (x + 2)/6</p>



<p>   Jawaban: A</p>



<h4 class="wp-block-heading">40. Temukan invers dari fungsi f(x) = 7/(x + 1).</h4>



<p>   A. g(x) = 7 &#8211; x</p>



<p>   B. g(x) = 7/x &#8211; 1</p>



<p>   C. g(x) = 7/x &#8211; 1</p>



<p>   D. g(x) = (7 + x)/1</p>



<p>   Jawaban: B</p>



<h4 class="wp-block-heading">41. Temukan invers dari fungsi f(x) = x/4 + 3.</h4>



<p>   A. g(x) = 4(x &#8211; 3)</p>



<p>   B. g(x) = (x + 3)/4</p>



<p>   C. g(x) = 4x + 3</p>



<p>   D. g(x) = 4(x + 3)</p>



<p>   Jawaban: A</p>



<h4 class="wp-block-heading">42. Temukan invers dari fungsi f(x) = 2x &#8211; 7.</h4>



<p>   A. g(x) = (x + 7)/2</p>



<p>   B. g(x) = (x &#8211; 7)/2</p>



<p>   C. g(x) = 2x + 7</p>



<p>   D. g(x) = 2x &#8211; 7</p>



<p>   Jawaban: A</p>



<h4 class="wp-block-heading">43. Temukan invers dari fungsi f(x) = (x + 5)/3.</h4>



<p>   A. g(x) = 3x &#8211; 5</p>



<p>   B. g(x) = 3x + 5</p>



<p>   C. g(x) = (3 + x)/5</p>



<p>   D. g(x) = (3 &#8211; x)/5</p>



<p>   Jawaban: A</p>



<h4 class="wp-block-heading">44. Temukan invers dari fungsi f(x) = 8 &#8211; 2x.</h4>



<p>   A. g(x) = (8 &#8211; x)/2</p>



<p>   B. g(x) = (8 &#8211; x)/2</p>



<p>   C. g(x) = (8 &#8211; x)/2</p>



<p>   D. g(x) = (8 + x)/2</p>



<p>   Jawaban: B</p>



<h4 class="wp-block-heading">45. Temukan invers dari fungsi f(x) = 1/(x &#8211; 4).</h4>



<p>   A. g(x) = 1/x + 4</p>



<p>   B. g(x) = 1/x &#8211; 4</p>



<p>   C. g(x) = 4 &#8211; 1/x</p>



<p>   D. g(x) = x &#8211; 1/4</p>



<p>   Jawaban: A</p>



<h2 class="wp-block-heading">Penutup</h2>



<p>Demikian contoh soal fungsi invers beserta rumus dan jawabannya. Semoga contoh soal fungsi invers tersebut bermanfaat untuk kamu. </p>



<p>Oh, ya, jika kamu masih ingin belajar menggunakan <a href="https://mamikos.com/info/contoh-soal-kesebangunan-kelas-9-pljr/" target="_blank" rel="noreferrer noopener" aria-label="contoh soal Matematika (opens in a new tab)">contoh soal Matematika</a> lainnya, pastikan untuk mencari di blog Mamikos.</p>


<div class="wp-block-ub-content-toggle" id="ub-content-toggle-ab03eaae-aaf4-4b93-b39b-e3fd1ffa1fe6" data-mobilecollapse="true" data-desktopcollapse="true">
<div class="wp-block-ub-content-toggle-accordion" id="ub-content-toggle-panel-block-4adacdcd-51ec-4d34-9720-078ef4afa79b">
                <div class="wp-block-ub-content-toggle-accordion-title-wrap"" aria-controls="ub-content-toggle-panel-0-ab03eaae-aaf4-4b93-b39b-e3fd1ffa1fe6" tabindex="0">
                    <p class="wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-ab03eaae-aaf4-4b93-b39b-e3fd1ffa1fe6"><strong>Referensi:</strong></p><div class="wp-block-ub-content-toggle-accordion-toggle-wrap right"><span class="wp-block-ub-content-toggle-accordion-state-indicator wp-block-ub-chevron-down"></span>
                    </div></div><div role="region" aria-expanded="false" class="wp-block-ub-content-toggle-accordion-content-wrap ub-hide" id="ub-content-toggle-panel-0-ab03eaae-aaf4-4b93-b39b-e3fd1ffa1fe6">

<p>Latihan soal fungsi invers [Daring]. Tautan: https://wayground.com/admin/quiz/5f7bab584ba812001c9c7c18/latihan-soal-fungsi-invers</p>



<p>invers fungsi komposisi [Daring]. Tautan: https://wayground.com/admin/quiz/5daee9cb8e0b1f001c711721/invers-fungsi-komposisi</p>



<p>Fungsi Komposisi dan Fungsi Invers [Daring]. Tautan: https://wayground.com/admin/quiz/5d78e816e8a2b1001c066e76/fungsi-komposisi-dan-fungsi-invers</p>

</div></div>
</div>


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</div><p>The post <a href="https://mamikos.com/info/contoh-soal-fungsi-invers-pljr/">45 Contoh Soal Fungsi Invers beserta Rumus dan Jawabannya Lengkap</a> appeared first on <a href="https://mamikos.com/info">Blog Mamikos</a>.</p>
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                    <item>
            <title>40 Contoh Soal Fungsi Komposisi dan Fungsi Invers beserta Jawabannya</title>
            <category>Latihan Soal</category>
            <link>https://mamikos.com/info/contoh-soal-fungsi-komposisi-dan-fungsi-invers-pljr/</link>
            <pubDate>Wed, 30 Jul 2025 02:31:18 +0000</pubDate>
            <dc:creator>Lintang Filia</dc:creator>
            <guid>https://mamikos.com/info/contoh-soal-fungsi-komposisi-dan-fungsi-invers-pljr/</guid>
            <description><![CDATA[<p>Yuk, ulang materi yang sudah kamu pelajari di sekolah dengan mengerjakan berbagai contoh soal yang tersedia di artikel ini!</p>
<p>The post <a href="https://mamikos.com/info/contoh-soal-fungsi-komposisi-dan-fungsi-invers-pljr/">40 Contoh Soal Fungsi Komposisi dan Fungsi Invers beserta Jawabannya</a> appeared first on <a href="https://mamikos.com/info">Blog Mamikos</a>.</p>
]]></description>
            <content:encoded><![CDATA[<div class="wprt-container">
<p>40 Contoh Soal Fungsi Komposisi dan Fungsi Invers beserta Jawabannya – Sudah sampai mana pemahamanmu tentang materi fungsi komposisi dan fungsi invers?</p>



<p>Dua <a href="https://mamikos.com/info/contoh-jenis-fungsi-dalam-ilmu-matematika-pljr/" target="_blank" rel="noreferrer noopener">jenis fungsi Matematika</a> ini memang saling berkaitan dan seringkali muncul dalam soal-soal latihan maupun ujian. Oleh karena itu, mengulang materi di rumah menjadi hal yang bisa kamu pertimbangkan, lho. <img src="https://s.w.org/images/core/emoji/14.0.0/72x72/1f4dd.png" alt="📝" class="wp-smiley" style="height: 1em; max-height: 1em;" /></p>



<p>Nah, di artikel ini Mamikos telah menyusun berbagai contoh fungsi komposisi dan fungsi invers yang bisa kamu jadikan bahan belajar. <img src="https://s.w.org/images/core/emoji/14.0.0/72x72/1f9ee.png" alt="🧮" class="wp-smiley" style="height: 1em; max-height: 1em;" /></p>



<h2 class="wp-block-heading">Contoh Soal Fungsi Komposisi dan Fungsi Invers</h2>


<div class="wp-block-image">
<figure class="aligncenter size-full"><img loading="lazy" decoding="async" width="960" height="640" src="https://blog-static.mamikos.com/wp-content/uploads/2025/07/contoh-soal-fungsi-komposisi-dan-fungs-invers.jpg" alt="contoh soal fungsi komposisi dan fungs invers" class="wp-image-299790" srcset="https://blog-static.mamikos.com/wp-content/uploads/2025/07/contoh-soal-fungsi-komposisi-dan-fungs-invers.jpg 960w, https://blog-static.mamikos.com/wp-content/uploads/2025/07/contoh-soal-fungsi-komposisi-dan-fungs-invers-720x480.jpg 720w, https://blog-static.mamikos.com/wp-content/uploads/2025/07/contoh-soal-fungsi-komposisi-dan-fungs-invers-768x512.jpg 768w" sizes="(max-width: 960px) 100vw, 960px" /><figcaption class="wp-element-caption">Canva/@DragonImages</figcaption></figure></div>


<p>Tersedia 40 contoh soal pilihan ganda di bawah ini. Kerjakan terlebih dahulu dan selanjutnya kamu bisa mencocokkan dengan kunci jawaban di akhir, ya. Selamat belajar!</p>


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<h2 class="wp-block-heading">Soal Nomor 1 &#8211; 20</h2>



<p>1. Jika diketahui f(x) = 3x + 2 dan g(x) = x² – 1, maka (g o f)(x) adalah &#8230;</p>



<p>A. 9x² + 12x + 3<br>B. 9x² + 12x + 4<br>C. 9x² + 12x + 1<br>D. 9x² + 12x + 1</p>



<p>2. Misal f(x) = 2x – 7 dan (f o f)(x) = 4x – 21. Maka nilai f(f(x)) = &#8230;</p>



<p>A. 4x – 21<br>B. 4x – 14<br>C. 2x – 14<br>D. 2x – 21</p>



<p>3. Jika diketahui f(x) = x + 6 dan f⁻¹(x) adalah inversnya, maka f⁻¹(10) = &#8230;</p>



<p>A. 16<br>B. 4<br>C. –4<br>D. –16</p>



<p>4. Jika f(x) = 4x – 3 dan g(x) = x + 2, maka rumus (g o f)(x) adalah &#8230;</p>



<p>A. 4x – 1<br>B. 4x – 5<br>C. 4x – 3<br>D. 4x + 2</p>



<p>5. Diketahui f(x) = 2x + 5 dan g(x) = x – 1. Jika (f o g)(a) = 13, maka nilai a = &#8230;</p>



<p>A. 6<br>B. 3<br>C. 4<br>D. 5</p>



<p>6. Jika f(x) = √(x + 5), maka f⁻¹(x) adalah &#8230;</p>



<p>A. (x + 5)²<br>B. √(x – 5)<br>C. x² + 5<br>D. x² – 5</p>



<p>7. Jika (f o g)(x) = x² + 2x + 1 dan g(x) = x + 1, maka fungsi f(x) adalah &#8230;</p>



<p>A. f(x) = x² + 2<br>B. f(x) = x² – 1<br>C. f(x) = x²<br>D. f(x) = x² + 1</p>



<p>8. Jika f(x) = x² dan g(x) = 2x – 1, maka (f o g)(2) adalah &#8230;</p>



<p>A. 9<br>B. 16<br>C. 25<br>D. 36</p>



<p>9. Jika diketahui fungsi f(x) = 5x + 2, maka invers f⁻¹(x) adalah &#8230;</p>



<p>A. (x – 2)/5<br>B. (x + 2)/5<br>C. 5x – 2<br>D. 5x + 2</p>



<p>10. Jika g(x) = x² + 3 dan diketahui f(g(x)) = 3x² + 9, maka bentuk f(x) adalah &#8230;</p>



<p>A. f(x) = 3x – 6<br>B. f(x) = 3x<br>C. f(x) = 3x + 6<br>D. f(x) = 3x – 3</p>



<p>11. Jika f(x) = x² + 1 dan g(x) = x – 3, maka (f o g)(2) = &#8230;</p>



<p>A. 1<br>B. 4<br>C. 3<br>D. 2</p>



<p>12. Fungsi f(x) = 3x + 6. Maka f⁻¹(15) = &#8230;</p>



<p>A. 3<br>B. 4<br>C. 5<br>D. 6</p>



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<p>13. Jika (f o g)(x) = 5x – 1 dan f(x) = x + 2, maka g(x) = &#8230;</p>



<p>A. 5x – 3<br>B. 5x – 2<br>C. 5x – 10<br>D. 5x – 5</p>



<p>14. Jika f(x) = 2x – 1 dan g(x) = x², maka (g o f)(x) adalah &#8230;</p>



<p>A. x² – 2x + 1<br>B. 4x² – 4x + 1<br>C. 4x² – 1<br>D. 2x² – 1</p>



<p>15. Diketahui f(x) = 2x + 7. Maka bentuk fungsi invers f⁻¹(x) adalah &#8230;</p>



<p>A. ½x – 7<br>B. ½x + 7<br>C. ½x – 3,<br>D. ½x – 3,5</p>



<p>16. Jika f(x) = x + 3 dan g(x) = 2x², maka (f o g)(1) = &#8230;</p>



<p>A. 3<br>B. 5<br>C. 4<br>D. 6</p>



<p>17. Diketahui (f o g)(x) = x² – 2x dan g(x) = x – 1. Maka f(x) = &#8230;</p>



<p>A. x² – 1<br>B. x² + 2x<br>C. x²<br>D. x² – x</p>



<p>18. Jika f(x) = 4x – 2 dan g(x) = x + 1, maka (g o f)(2) = &#8230;</p>



<p>A. 5<br>B. 6<br>C. 7<br>D. 8</p>



<p>19. Diketahui f(x) = √(x + 1). Fungsi inversnya adalah &#8230;</p>



<p>A. f⁻¹(x) = x² – 1<br>B. f⁻¹(x) = x² + 1<br>C. f⁻¹(x) = √(x – 1)<br>D. f⁻¹(x) = x – 1</p>



<p>20. Jika f(x) = x² – 2 dan f⁻¹(x) = √(x + 2), maka nilai f⁻¹(7) adalah &#8230;</p>



<p>A. 2<br>B. √5<br>C. √9<br>D. 3</p>


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<h2 class="wp-block-heading">Soal Nomor 21 &#8211; 40</h2>



<p>21. Jika (f o g)(x) = 7x + 2 dan f(x) = x – 1, maka g(x) = …</p>



<p>A. 7x – 1<br>B. 7x + 3<br>C. 7x + 1<br>D. 7x + 2</p>



<p>22. Diketahui f(x) = x² – 4x + 3 dan g(x) = x + 1. Maka (f o g)(x) = …</p>



<p>A. x² – 2x<br>B. x² – 6x + 8<br>C. x² – 2x + 4<br>D. x² – 2x + 1</p>



<p>23. Diketahui f(x) = 2x – 4 dan g(x) = 3x + 2. Jika (f o g)(a) = 20, maka nilai a = …</p>



<p>A. 1<br>B. 2<br>C. 3<br>D. 4</p>



<p>24. Jika f(x) = 4x + 5 maka f⁻¹(x) = …</p>



<p>A. ¼x – 5<br>B. ¼x + 5<br>C. ¼x – 1¼<br>D. ¼x – 1¼</p>



<p>25. Jika f(x) = 2x² – 1 dan g(x) = x – 3, maka (f o g)(x) = …</p>



<p>A. 2x² – 6x + 8<br>B. 2x² – 12x + 17<br>C. 2x² – 4x + 3<br>D. 2x² – 4x + 5</p>



<p>26. Jika (f o g)(x) = 5x – 6 dan f(x) = 2x + 1, maka g(x) = …</p>



<p>A. 2x – 2<br>B. 2x – 5<br>C. 2x – 3<br>D. 2x – 1</p>



<p>27. Jika f(x) = 3x + 7, maka f⁻¹(10) = …</p>



<p>A. 3<br>B. –1<br>C. 1<br>D. –3</p>



<p>28. Jika f(x) = x² dan g(x) = 2x – 5, maka (f o g)(2) = …</p>



<p>A. 1<br>B. 4<br>C. 9<br>D. 16</p>



<p>29. Jika f(x) = x – 4 dan g(x) = x², maka (f o g)(3) = …</p>



<p>A. 5<br>B. 6<br>C. 9<br>D. 11</p>



<p>30. Diketahui f(x) = (3x + 2)/(x + 1), maka invers f⁻¹(x) adalah …</p>



<p>A. (2x – 1)/(1 – 3x)<br>B. (x – 2)/(3 – x)<br>C. (x – 2)/(3x – 1)<br>D. (x – 2)/(3x + 1)</p>



<p>31. Jika f(x) = x² + 3 dan g(x) = √x, maka (f o g)(4) = …</p>



<p>A. 5<br>B. 7<br>C. 8<br>D. 9</p>



<p>32. Jika f(x) = 3x – 2 dan f⁻¹(x) = (x + 2)/3, maka nilai dari f⁻¹(f(5)) = …</p>



<p>A. 3<br>B. 4<br>C. 5<br>D. 6</p>



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<p>33. Jika f(x) = 4x + 1 dan g(x) = (x – 1)/4, maka (g o f)(x) = …</p>



<p>A. x – 1<br>B. x<br>C. x + 1<br>D. 4x</p>



<p>34. Jika (f o g)(x) = x + 7 dan g(x) = 2x – 1, maka f(x) = …</p>



<p>A. ½x – 3<br>B. ½x + 3<br>C. 2x + 5<br>D. 2x + 6</p>



<p>35. Jika f(x) = (x – 4)/2, maka f⁻¹(x) = …</p>



<p>A. 2x – 4<br>B. 2x + 4<br>C. x/2 + 4<br>D. x/2 – 4</p>



<p>36. Diketahui f(x) = x + 3 dan g(x) = 2x – 1. Maka (g o f)(2) = …</p>



<p>A. 5<br>B. 7<br>C. 9<br>D. 11</p>



<p>37. Jika f(x) = √(x + 1), g(x) = x² – 1, maka nilai (f o g)(3) adalah …</p>



<p>A. 2<br>B. 3<br>C. √9<br>D. √8</p>



<p>38. Jika f(x) = 2x – 5 dan f⁻¹(x) = (x + 5)/2, maka nilai f(f⁻¹(9)) = …</p>



<p>A. 7<br>B. 9<br>C. 11<br>D. 13</p>



<p>39. Diketahui (f o g)(x) = 3x + 1 dan g(x) = x – 2. Tentukan f(x)!</p>



<p>A. 3x – 5<br>B. 3x – 1<br>C. 3x + 1<br>D. 3x + 7</p>



<p>40. Diketahui f(x) = ax + b dan f⁻¹(x) = (x – 5)/3. Nilai a dan b berturut-turut adalah …</p>



<p>A. 3 dan 5<br>B. 5 dan 3<br>C. 3 dan –5<br>D. –3 dan 5</p>


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<h2 class="wp-block-heading">Jawaban Contoh Soal Fungsi Komposisi dan Fungsi Invers</h2>



<p>Di bawah ini kamu bisa mencocokkan soal fungsi yang tadi sudah dikerjakan, ya.</p>



<ol>
<li>&nbsp;C</li>



<li>&nbsp;A</li>



<li>&nbsp;B</li>



<li>&nbsp;A</li>



<li>&nbsp;D</li>



<li>&nbsp;D</li>



<li>&nbsp;C</li>



<li>&nbsp;C</li>



<li>&nbsp;A</li>



<li>&nbsp;B</li>



<li>&nbsp;C</li>



<li>&nbsp;C</li>



<li>&nbsp;A</li>



<li>&nbsp;B</li>



<li>&nbsp;D</li>



<li>&nbsp;B</li>



<li>&nbsp;C</li>



<li>&nbsp;C</li>



<li>&nbsp;A</li>



<li>&nbsp;D</li>



<li>&nbsp;B</li>



<li>&nbsp;B</li>



<li>&nbsp;D</li>



<li>&nbsp;A</li>



<li>&nbsp;B</li>



<li>&nbsp;C</li>



<li>&nbsp;C</li>



<li>&nbsp;A</li>



<li>&nbsp;A</li>



<li>&nbsp;C</li>



<li>&nbsp;D</li>



<li>&nbsp;C</li>



<li>&nbsp;B</li>



<li>&nbsp;B</li>



<li>&nbsp;B</li>



<li>&nbsp;D</li>



<li>&nbsp;C</li>



<li>&nbsp;B</li>



<li>&nbsp;D</li>



<li>&nbsp;A</li>
</ol>


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<h2 class="wp-block-heading">Penutup</h2>



<p>Demikian artikel Mamikos kali ini yang memuat tentang contoh soal fungsi komposisi dan fungsi invers yang bisa kamu jadikan bahan evaluasi. </p>



<p>Jangan lupa mampir ke blog Mamikos kalau kamu mencari berbagai contoh soal lainnya, seperti <a href="https://mamikos.com/info/contoh-soal-perbandingan-pljr/" target="_blank" rel="noreferrer noopener">soal perbandingan</a> lengkap dengan materi secara gratis, ya. <img src="https://s.w.org/images/core/emoji/14.0.0/72x72/2728.png" alt="✨" class="wp-smiley" style="height: 1em; max-height: 1em;" /></p>


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                    <p class="wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-913ddfee-59fa-4209-8d4d-f91f10f82779"><strong>Referensi:</strong></p><div class="wp-block-ub-content-toggle-accordion-toggle-wrap right"><span class="wp-block-ub-content-toggle-accordion-state-indicator wp-block-ub-chevron-down"></span>
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<p>25 Contoh Soal Fungsi Komposisi Dan Invers [Daring]. Tautan: https://id.scribd.com/document/532260996/25-contoh-soal-fungsi-komposisi-dan-invers</p>



<p>BAB 3 FUNGSI KOMPOSISI DAN FUNGSI INVERS [Daring]. Tautan: https://simguru.smkn2solo.online/uploads/files/BAB%203%20FUNGSI%20KOMPOSISI%20DAN%20FUNGSI%20INVERS.pdf</p>

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