27-20-19-18-17-16/13-14-13-12 The curve above is the graph of a sinusoidal function. It goes through the points (-15, 0) and (3, 0). Find a sine function that matches the given graph. First write the parameters, then the function represented by this graph. Magnitude of the amplitude: A = Vertical shift: D= Frequency B= Horizontal shift 8 = $10 A 13 14 15 f(x) (Write the answer using instead of a decimal.)

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