Question

If f(x) = 3x +3, which of the following is the inverse of
f(x)?

Answer 1

Answer:
`f^(-1)(x)=(x-3)/(3)`

Explanation:

Let
`f(y)=x`

`x=3y+3\\\\x-3=3y\\\\y=(x-3)/(3)\\\\\therefore f^(-1)(x)=(x-3)/(3)`