Let f : R → R be differentiable at c ∈ R and f(c) = 0. If g(x) = |f(x)|, then at x = c, g is:

Not differentiable if f'(c) = 0

Let f : R → R be differentiable at c ∈ R and f(c) = 0. If g(x) =

1.	Let f : R → R be differentiable at c ∈ R and f(c) = 0. If g(x) = \|f(x)\|, then at x = c, g is:
A.	Not differentiable if f'(c) = 0
B.	Differentiable if f'(c) ≠ 0
C.	Differentiable if f'(c) = 0
D.	Not differentiable
Answer» D. Not differentiable

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Let f : R → R be differentiable at c ∈ R and f(c) = 0. If g(x) = |f(x)|, then at x = c, g is:

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