[DUP-84] Continuity and DifferentiabilityHard

Question

If , then

Options

A.f(x) is continuous at x = 1 and at x = 4

B.f(x) is differentiable at x = 4

C.f(x) is continuous and differentiable at x = 1

D.f(x) is only continuous at x = 1

Solution

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