Question: True or False. Briefly Explain a) If f is differentiable at c, then |f (x)| must be differentiable at c. b) If f is not

True or False. Briefly Explain

a) If f is differentiable at c, then |f (x)| must be differentiable at c.

b) If f is not differentiable c, then |f (x)| must not be differentiable at c.

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