If \[f(x)=\left\{ \begin{align} & x-1,\,\,\,x0 \\ \end{align} \right.\], then [Roorkee 1988]

\[\underset{x\to 0+}{\mathop{\lim }}\,f(x)=1\]

\[\underset{x\to 0-}{\mathop{\lim }}\,f(x)=1\]

\[f(x)\]is discontinuous at\[x=0\]

If \[f(x)=\left\{ \begin{align} & x-1,\,\,\,x0 \\ \end{align} \righ

1.	If \[f(x)=\left\{ \begin{align} & x-1,\,\,\,x0 \\ \end{align} \right.\], then [Roorkee 1988]
A.	\[\underset{x\to 0+}{\mathop{\lim }}\,f(x)=1\]
B.	\[\underset{x\to 0-}{\mathop{\lim }}\,f(x)=1\]
C.	\[f(x)\]is discontinuous at\[x=0\]
D.	None of these
Answer» D. None of these

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If \[f(x)=\left\{ \begin{align} & x-1,\,\,\,x0 \\ \end{align} \right.\], then [Roorkee 1988]

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