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Differentiate f(x)=x+7xf ( x ) = \sqrt { x } + \frac { 7 } { \sqrt { x } }

Question 4

Multiple Choice

Differentiate: f(x) =x+7xf ( x ) = \sqrt { x } + \frac { 7 } { \sqrt { x } }


A) 7
B) 12x+72x3\frac { 1 } { 2 \sqrt { x } } + \frac { 7 } { 2 \sqrt { x ^ { 3 } } }
C) 0
D) 12x72x3\frac { 1 } { 2 \sqrt { x } } - \frac { 7 } { 2 \sqrt { x ^ { 3 } } }

Correct Answer:

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