1.

The function \[f(x)=\max [(1-x),\,(1+x),\,2],\] \[x\in (-\infty ,\,\infty ),\]is [IIT 1995]

A. Continuous at all points
B. Differentiable at all points
C. Differentiable at all points except at \[x=1\]and \[x=-1\]
D. Continuous at all points except at \[x=1\]and \[x=-1\]where it is discontinuous
Answer» D. Continuous at all points except at \[x=1\]and \[x=-1\]where it is discontinuous


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