which function below is the inverse of f(x) = x^2-9
to find the inversereplace f(x) with yswitch all x and ysolve for yreplace y with f⁻¹(x)f(x)=x^2-9y=x^2-9x=y^2-9x+9=y^2sqrt both sides\(\sqrt{x+9}\)replacef⁻¹(x)=\(\sqrt{x+9}\)that is the inverse