contestada

If f(x) = 1/9x - 2, what is f^-1(x)?
a. f^-1(x) = 9x + 18B. f^-1(x) = 1/9x + 2C. f^-1(x) = 9x + 2D. f^-1(x) = 2x + 1/9

Respuesta :

ahonyek
f(x) = 1/9x - 2 and your job is to find the inverse function. 

For simplicity let f(x)=y

y=1/9x-2 and you need to solve this for x 
y+2=1/9x
9y+18=x

Thus F(x)^-1=9x+18

Answer:

a is correct on edge

Step-by-step explanation: