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posted by Allison on Thursday, September 29, 2011 at 1:04pm.

Let f(x)=sqrt(3+2x) f′(5)=

f(x) = (3+2x)^(½) f'(x) = ½(3+2x)^(-½) * 2 = (3+2x)^(-½) f'(5) = (3+10)^(-½) = 1/√13

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