Question

What's the inverse of ƒ(x) = x2 – 16?

Answer 1

the inverse of ƒ(x) = x²– 16

`{f}^( - 1) (x) = √(x + 16)`

Answer 2

The inverse function should be f

`{f}^( - 1)( x) = √(x + 16)`

this is the correct answer