Question

25Select the correct answer.Find the inverse of function f.= 9x + 7=OA. 1'(x) = ja -B. 777(0) = but=-79

Answer 1

Given

`f(x)=9x+7`

Solution

Step 1

Replace f(x) with y

`y=9x+7`

Step 2

Interchange y and x

`x=9y+7`

Step 3

Make y the subject