SOLUTION: If f(x) = x³ + 2x find f^(-1)(x)

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Question 1166899: If f(x) = x³ + 2x find f^(-1)(x)
Answer by Edwin McCravy(20054) About Me  (Show Source):
You can put this solution on YOUR website!
To find the inverse requires the use of Cardano's cubic formula which is
extremely complicated:

f%28x%29+=+x%5E3%2B2x, the red curve.
f%5E%28-1%29%28x%29%22%22=%22%22, the green curve.



Edwin