Let \[f(x)=\left\{ \begin{align} & {{x}^{2}}+k,\ \ \ \ \text{when}\ \ – McqOptions

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1.	Let \[f(x)=\left\{ \begin{align} & {{x}^{2}}+k,\ \ \ \ \text{when}\ \ x\ge 0 \\ & -{{x}^{2}}-k,\ \ \text{when }x<0 \\ \end{align} \right.\]. If the function\[f(x)\] be continuous at \[x=0\], then k =
A.	0
B.	1
C.	2
D.	?2
Answer» B. 1

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