Question

Select the correct answer.
Find the inverse of function f.
95 + 7

Answer 1

D

Explanation:

1. Make it into a y = x equation

y = 9x +7

2. change x to y and y to x

x = 9y + 7

3. Isolate y ( if not possible, use implicit differentiation but here you can)

x-7 = 9y

1/9x-7/9 = y