Continuity and DifferentiabilityHard

Question

Let f(x) = |x − a| + | x − b|, then-

Options

A.f(x) is continuous for all x ∈ R   
B.f(x) is differential for ∀ x ∈ R
C.f(x) is continuous except at x = a and b   
D.None of these

Solution

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