If \[f(x)=\left\{ \begin{align} & x+2\,,-1

1.	If \[f(x)=\left\{ \begin{align} & x+2\,,-1
A.	1
B.	? 1
C.	0
D.	Does not exist
Answer» E.

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If \[f(x)=\left\{ \begin{align} & x+2\,,-1

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