Let \[f(x)=\left\{ \begin{align} & 1\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\f – McqOptions

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1.	Let \[f(x)=\left\{ \begin{align} & 1\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\forall x
A.	1
B.	?1
C.	\[\infty \]
D.	does not exist
Answer» E.

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