Composition with absolute values In Exercises 45-52, graph fi and f2 together. Then describe how applying the absolute value func- tion in f, affects the graph of fj- fi(x) S2(x) 45. x 46. 47. x |x? + x| |4 – x*| 48. x +x 49. 4 - x 50. 51. Vĩ 52. sin x sin x

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