Since, a polynomial and a constant function is continuous and differentiable everywhere => f(x) is continuous and differentiable for x ∈ (-1, 0) and x ∈ (0, 1) and (1, 2). Checking continuity...
Discuss the continuity and differentiability of the function f (x) = |x| + |x -1| in the interval of (-1, 2).
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