Hey I need some help with the following problems:

Find (f^-1)'(a):

1. f(x)= 2x^3 + 3x^2 + 7x + 4, a=4

2. f(x)= x^3 + 3sinx + 2cosx, a=2

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- Jan 23rd 2008, 04:54 PMluckeyduckHelp with finding the derivative of inverse functions
Hey I need some help with the following problems:

Find (f^-1)'(a):

1. f(x)= 2x^3 + 3x^2 + 7x + 4, a=4

2. f(x)= x^3 + 3sinx + 2cosx, a=2 - Jan 23rd 2008, 06:09 PMJaneBennet