what is the value of (d/dx)[f^(-1) (x) ] when x=-2 given that f(x)=x^3+x.

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- February 4th 2007, 07:25 AMgracyinverse function derivative
what is the value of (d/dx)[f^(-1) (x) ] when x=-2 given that f(x)=x^3+x.

- February 4th 2007, 09:21 AMCaptainBlack