Let f : R → R be defined by \(\rm f(x)=\left\{\begin{matrix} \rm x+2 &\rm if\ x

Let f : R → R be defined by \(\rm f(x)=\left\{\begin{matrix} \rm x

1.	Let f : R → R be defined by \(\rm f(x)=\left\{\begin{matrix} \rm x+2 &\rm if\ x
A.	0.5
B.	2.5
C.	4.5
D.	6.5
Answer» D. 6.5

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Let f : R → R be defined by \(\rm f(x)=\left\{\begin{matrix} \rm x+2 &\rm if\ x

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