5. The graph of y = f(x) is shown. a) Evaluate f(4). b) Determine the amplitude. c) Determine the interval of repeat. d) Is the graph sinusoidal? Why or why not? f(x) 1+ -X 5-4 -4-3-2 1 2 3 4 5 0 -1 -2+ N -3- 5- V -6-

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