Question

How do you find the inverse of `F(x)=4x-4`?

Answer 1

`F^-1(x)=(x+4)/4`

Explanation:

Let `f(x)` = `y`.

`y=4x-4`

Make `x` the subject of the equation.

`4x=y+4`
`x=(y+4)/4`

Change the `y` to `x` in your final answer.

`F^-1(x)=(x+4)/4`