Calculus
posted by Anon
If f(x)=x^2+1 and g(x)=2x1, find d/dx[f'(g(x))] at x=1
A. 2
B. 6
C. 4
D. 0
E. None of these

bobpursley
f(g)=(2x1)^2+2
f'(g)=2(2x1)2=8x2
d/dx(f'(g))=8
f'(g)at 1 is 6. I wonder if you really wanted the second derivative.
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