Find the amplitude and period of the function. y=-3 cos(3xx) amplitude period. Sketch the graph of the function. y 3 3 3 2 2 TALA 2 1 6 2 3 6 3 2 3 y y Afi Afe 1 1 3 6 2 3 2 6 3 2 3 O-3

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