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AP Calculus BC/Unit 7: Differential Equations
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Derivative Equal to Zero

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Find all values of x for which the derivative of the function f(x)=x2+4∗x+7x+3f(x)=\frac{\sqrt{x^2+4*x+7}}{x+3} equals zero.

A

x=−1x=-1

B

x=−3x=-3

C

x=1x=1

D

x=0x=0

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