SOLUTION: the inverse function of f(x) = x^3 -1 is g(x) =

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Question 360463: the inverse function of f(x) = x^3 -1 is g(x) =
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
Solving for x in terms of y,
y+=+x%5E3-1,
y%2B1+=+x%5E3,
%28y%2B1%29%5E%281%2F3%29+=+x.
Interchange x and y:
%28x%2B1%29%5E%281%2F3%29+=+y. The function y is the inverse function. Note that y+=+x%5E3-1is a 1-1 function, by the horizontal line test, so its inverse exists.