Question

How do you find the inverse of `g(x)=5x-2`?

Answer 1

`g^-1(x)=(x+2)/5`

Explanation:

`"let "y=5x-2`

`"rearrange making x the subject"`

`5x=y+2`

`x=(y+2)/5`

`rArrg^-1(x)=(x+2)/5`