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BuBbLeS01
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Please HELP...Differentiating Inverse Functions
f(x) = x^3 + 2x - 1 when a=2
2. The attempt at a solution
I thought you did...
1/(f '(f-1(x)))
but I am not sure how to solve for x?
0=x^3 + 2x - 1
1=x^3 + 2x -1
I tried factoring but that did not work either.
Homework Statement
f(x) = x^3 + 2x - 1 when a=2
2. The attempt at a solution
I thought you did...
1/(f '(f-1(x)))
but I am not sure how to solve for x?
0=x^3 + 2x - 1
1=x^3 + 2x -1
I tried factoring but that did not work either.
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