Question

What is the inverse function of `f(x) = 4/(x + 2)` and what is the domain and range?

Answer 1

Refer to explanation

Explanation:

We have that

`y=4/(x+2)=>x+2=4/y=>x=4/y-2`

hence `y^-1=4/x-2`

the domain is `R-{0}` and the range is `R-{2}`