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Let f(x)=84xf ( x ) = \frac { 8 } { \sqrt { 4 - x } }

Question 100

Multiple Choice

Let f(x) =84xf ( x ) = \frac { 8 } { \sqrt { 4 - x } } Then f(x) f ^ { \prime } ( x ) is


A) 4(4x) 32- \frac { 4 } { ( 4 - x ) ^ { \frac { 3 } { 2 } } }
B) 4(4x) 12- \frac { 4 } { ( 4 - x ) ^ { \frac { 1 } { 2 } } }
C) 4(4x) 12\frac { 4 } { ( 4 - x ) ^ { \frac { 1 } { 2 } } }
D) 4(4x) 32\frac { 4 } { ( 4 - x ) ^ { \frac { 3 } { 2 } } }
E) 8(4x) 32\frac { 8 } { ( 4 - x ) ^ { \frac { 3 } { 2 } } }

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