The set of points where \(\rm f(x)=\frac{x}{1+|x|}\) is differentiab – McqOptions

MCQOPTIONS

1.	The set of points where \(\rm f(x)=\frac{x}{1+\|x\|}\) is differentiable, is:
A.	(-∞, -1) ∪ (1, ∞)
B.	(-∞, ∞)
C.	(0, ∞)
D.	(-∞, 0) ∪ (0, ∞)
Answer» C. (0, ∞)

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