SOLUTION: find f^-1(x) for the function f(x)= 2x^5 - 3. Thanks

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Question 318524: find f^-1(x) for the function f(x)= 2x^5 - 3.
Thanks
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use x-y format.
y=2x%5E5-3
Interchange x and y and solve for y.
highlight%28x%29=2%2A%28highlight%28y%29%29%5E5-3
x%2B3=2y%5E5
y%5E5=%28x%2B3%29%2F2
y=root%285%2C%28x%2B3%29%2F2%29
This new y is the inverse function,
f%5E%28-1%29=root%285%2C%28x%2B3%29%2F2%29