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Find the inverse function of f(x)=x^3+5

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2 Answers

y = x3 + 5 . Solve this equation for x:
x3 = y - 5 ---> (x3)1/3 = (y - 5)1/3 ---> x = (y - 5)1/3 , now type y instead of x, and x instead of y
                                                       y = (x - 5)1/3 
  in term of f(x) ---->                   f-1(x) = (x - 5)1/3  

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