Question

What is the inverse of f(x)=4x+5?

Answer 1

Answer:

C

Step-by-step explanation:

swap y and x in the function. that is

$x = f(y)$

we get x=4y+5

Solve for y

(x-5)/4=y

$f ^{ - 1}(x) = \frac{1}{4} (x - 5)$