Question

Which function below is the inverse of f(x) = x2 − 36?

Answer 1

The answer is f−1(x)=√36+x,−√36+x

Answer 2

`f(x) = x^2 - 36`


`y = x^2 - 36`


`x = y^2 - 36`


`y^2 = x + 36`


`y = \pm √(x + 36)`


`f^(-1)(x) = \pm √(x + 36)`