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Evaluate the Function f(x)={4x2,x<17,1x1x2,x>1f ( x ) = \left\{ \begin{array} { c } 4 x - 2 , x < - 1 \\7 , \quad - 1 \leq x \leq 1 \\x ^ { 2 } , x > 1\end{array} \right.

Question 40

Multiple Choice

Evaluate the function f(x) ={4x2,x<17,1x1x2,x>1f ( x ) = \left\{ \begin{array} { c } 4 x - 2 , x < - 1 \\7 , \quad - 1 \leq x \leq 1 \\x ^ { 2 } , x > 1\end{array} \right. at f(12) f \left( - \frac { 1 } { 2 } \right) . ?


A) f(12) =10f \left( - \frac { 1 } { 2 } \right) = - 10
B) f(12) =10f \left( - \frac { 1 } { 2 } \right) = 10
C) f(12) =7f \left( - \frac { 1 } { 2 } \right) = - 7
D) f(12) =4f \left( - \frac { 1 } { 2 } \right) = - 4
E) f(12) =7f \left( - \frac { 1 } { 2 } \right) = 7

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