Question

Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x. f(x) = x3 + 4 and g(x) = Cube root of quantity x minus four.

Answer 1

Can you find \[ g(f(x)) \]?

Answer 2

Remember that \(g(f(x)) = f(g(x)) \) if \(f(x)\) is the inverse of \(g(x)\) or vice-versa.