The number of points of non-differentiability for\[f(x)=max\,\{\left| \left| x \right|-1 \right|,1/2\}\] is

The number of points of non-differentiability for\[f(x)=max\,\{\left|

1.	The number of points of non-differentiability for\[f(x)=max\,\{\left\| \left\| x \right\|-1 \right\|,1/2\}\] is
A.	4
B.	3
C.	2
D.	5
Answer» E.

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The number of points of non-differentiability for\[f(x)=max\,\{\left| \left| x \right|-1 \right|,1/2\}\] is

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