What is the derivative of f(x) = | x | at x = 0

1.	What is the derivative of f(x) =  \| x \| at x = 0
A.	1
B.	-1
C.	0
D.	Does not exist
Answer» E.

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&nbsp;&nbsp;What is the derivative of f(x) = &nbsp;| x | at x = 0&nbsp;

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What is the derivative of f(x) = | x | at x = 0