If \[f(x)=\left\{ \begin{align} & \,\,\,\,\,\,\,\,\,-{{x}^{2}},\,\text{when }x\le 0 \\ & \,\,\,\,\,5x-4,\,\text{when}0

\[f(x)\]is discontinuous at\[x=1\]

\[f:R\to R\]is continuous at \[x=0\]

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

1.	If \[f(x)=\left\{ \begin{align} & \,\,\,\,\,\,\,\,\,-{{x}^{2}},\,\text{when }x\le 0 \\ & \,\,\,\,\,5x-4,\,\text{when}0
A.	\[f:R\to R\]is continuous at \[x=0\]
B.	\[f(x)\] is continuous \[x=2\]
C.	\[f(x)\]is discontinuous at\[x=1\]
D.	None of these
Answer» C. \[f(x)\]is discontinuous at\[x=1\]

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If \[f(x)=\left\{ \begin{align} & \,\,\,\,\,\,\,\,\,-{{x}^{2}},\,\text{when }x\le 0 \\ & \,\,\,\,\,5x-4,\,\text{when}0

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