Question

State if the given functions are inverses and provide a reason why.

Answer 1

`y = {(x + 4)}^(2)`

`x = {(y + 4)}^(2)`

`y + 4 = √(x)`

`y = √(x) - 4`

So f(x) and g(x) are inverses.

Domain of f(x): x ≥ -4

Domain of g(x): x ≥ 0