Question

What is the inverse of f(x)=9x-3

Answer 1

y = x + 3/9

Explanation:

1. Change f(x) y = 9x-3

Solve for y +3 +3

x+3 = 9y = y=x+3/9

Answer 2

Since g(f(x))=x g ( f ( x ) ) = x , f−1(x)=x9+13 f - 1 ( x ) = x 9 + 1 3 is the inverse of f(x)=9x−3 f ( x ) = 9 x - 3