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If f(x)=11x+7f ( x ) = 11 x + 7 And g(x)=x22xg ( x ) = x ^ { 2 } - 2 x

Question 56

Multiple Choice

If f(x) =11x+7f ( x ) = 11 x + 7 and g(x) =x22xg ( x ) = x ^ { 2 } - 2 x , find (fg) (x) ( f \circ g ) ( x ) .


A) (fg) (x) =11x222x+7( f \circ g ) ( x ) = 11 x ^ { 2 } - 22 x + 7
B) (fg) (x) =x2+9x+7( f \circ g ) ( x ) = x ^ { 2 } + 9 x + 7
C) (fg) (x) =11x315x214x( f \circ g ) ( x ) = 11 x ^ { 3 } - 15 x ^ { 2 } - 14 x
D) (fg) (x) =x2+13x+7( f \circ g ) ( x ) = x ^ { 2 } + 13 x + 7

Correct Answer:

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