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Find the Derivative of the Function Using the Definition of Derivative

Question 30

Multiple Choice

Find the derivative of the function using the definition of derivative.
- f(x) =x2+7x−2f ( x ) = x ^ { 2 } + 7 x - 2


A) f′(x) =2x−2f ^ { \prime } ( x ) = 2 x - 2
B) f′(x) =2x+7f ^ { \prime } ( x ) = 2 x + 7
C) f′(x) =2xf ^ { \prime } ( x ) = 2 x
D) f′(x) =x+7f ^ { \prime } ( x ) = x + 7

Correct Answer:

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