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posted by Anonymous on Thursday, January 31, 2013 at 12:49am.

If f(x)=sqrt(14x) a)find f' (x) b) find f'(4)

f(x) = (14x)^(1/2) f ' (x) = (1/2)(14x)^(-1/2) (14) = 7/√(14x) f ' (4) = 7/√(56) or 7/(2√14)

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