In Exercises 39-44, use Theorem 1.16 and left and right lim- its to determine whether each function f is continuous at its break point(s). For each discontinuity of f, describe the type of discontinuity and any one-sided discontinuity. х — 3, ifx < 3 39. f(x) = {-(x – 3), if x > 3 х — 3, ifx < 0 40. f(x) = {-(x – 3), if x > 0 x2, if x < 2 41. f(x) = - 4, if x = 2 2r + 1, if x > 2 V=x, if x < 0 2, if x = 0 Vĩ, if x > 0 42. f(x) = x+ 1, if x < 1 43. f(x) = {3x – 1, if 1 2 x³, if x < 0 1-x, if 0 < x < 3 x – 5, if x > 3 44. f(x) :

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