Medium Math Class 12 Level 3

If f(x) = 5x + 3, what is f^(-1)(x)?

यदि f(x) = 5x + 3 है, तो f^(-1)(x) क्या होगा?

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Correct Answer

B. (x - 3) / 5

Explanation

Step 1: Write y = f(x) to find the inverse. Step 2: From y = 5x + 3, x = (y - 3)/5, so f^(-1)(x) = (x - 3)/5. Step 3: For inverse questions, swap x and y and solve for y.

Step 1: Inverse function के लिए y = f(x) लिखें। Step 2: y = 5x + 3 से x = (y - 3)/5 मिलता है, इसलिए f^(-1)(x) = (x - 3)/5। Step 3: Inverse में x और y को बदलकर x को अकेला करें।

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