Question

If `g(x)` is the inverse of `f(x)` and `f(x) = 4x +12`, what is `g(x)`?

Answer 1

`g(x)=(x-12)/4`

Explanation:

`"let "y=4x+12`

`"rearrange making x the subject"`

`4x+12=y`

`4x=y-12`

`x=(y-12)/4`

`g(x)=(x-12)/4`