Question

Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x.
f(x) = x^3 + 4 and g(x) = x-4 cubed

Answer 1

\[f(x)=x^3+4\]
\[\sqrt{x-4}\]

Answer 2

\[g(x)=\sqrt{x-4}\]