Question

Which represents the inverse of the function f(x) = 4x?

Answer 1

Answer: $f^{-1}(x)=\frac{x}{4}$

Step-by-step explanation:

Let $f(y)=x$.

$x=4y\\\\y=\frac{x}{4}\\\\\therefore f^{-1}(x)=\frac{x}{4}$