Hard Math Class 11 Level 1

If f(x)=3x-4 then what is f⁻¹(8)?

यदि f(x)=3x-4 है तो f⁻¹(8) का मान क्या होगा?

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Correct Answer

C. 4 / 4

Explanation

Step 1: For f⁻¹(8) solve 3x - 4 = 8. Step 2: 3x = 12 so x = 4. Step 3: To find an inverse value put the output in the equation and find the input.

Step 1: f⁻¹(8) के लिए 3x - 4 = 8 हल करें। Step 2: 3x = 12 इसलिए x = 4। Step 3: inverse value पाने के लिए output को equation में रखकर input निकालें।

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