+. + 1 3. Exer. 33-36: Use right-hand and left-hand derivatives to prove that f is not differentiable at a. 33 f(x) = |x - 5, a = 5 34 f(x) = |x + 2|, a = -2 35 f(x) = [x - 21; a = 2 36 f(x) = x]- 2; a 2 Exer. 37-40: Use the graph of f to find the domain of f'.

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