09-27-2015, 07:27 PM
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#3
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Mostly Ignored
Skill Rating Designer
 
Join Date: Mar 2011
Posts: 471
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Re: Calculus Homework
Quote:
Originally Posted by portalbob340
I'm getting 3, but I'm not exactly sure. This is basically chain rule, right? Should be something like f ' (2x + g(x)) * d/dx(2x + g(x)), iirc.
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Can confirm, 3
f ' (2x + g(x)) * d/dx(2x + g(x))
= f ' (2x + g(x)) * (2+g ' (x))
= f ' (2 + 4)*(2+1)
= f ' (6)*3
= 1*3
=3
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