f[latex] f^{-1}(x)= sqrt[3]{x-4} [/latex]

The proper notation for an inverse function is f(x)^(-1) Switch the spots of f(x) and x to get  x = f(x)^3 + 4, then solve for f(x) x - 4 = f(x)^3  f(x)^-1 = cubrt(x-4)