Question 50824
If f(x) = 5x^7 - 3, then f^-1(x) =?
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Rewrite as y=5x^7-3
Interchange x and y:
x=5y^7-3
x+3=5y^7
[(x+3)/5] = y^7
[(x+3)/5]^(1/7)=y

This is the inverse.

Cheers,
Stan H.