Question 675585
{{{f(x) = root(3, x-6)}}}


{{{y = root(3, x-6)}}}


{{{x = root(3, y-6)}}}


{{{x^3 = y-6}}}


{{{x^3+6 = y}}}


{{{y = x^3+6}}}


So the inverse function is <img src="http://latex.codecogs.com/gif.latex?\Large f^{-1}(x) = x^3 + 6" title="x" />