SOLUTION: Give the expression of its inverse g(x) = -3x^3 + 1

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Question 378066: Give the expression of its inverse
g(x) = -3x^3 + 1
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
Interchange the places of x and y: x+=+-3y%5E3+%2B+1,
x+-+1+=+-3y%5E3,
%28x+-+1%29%2F-3+=+y%5E3,
root%283%2C%28x+-+1%29%2F-3%29+=+y, or
root%283%2C%281+-+x%29%2F3%29+=+y. This is the inverse function.