Which of the following is an equation for the graph? -31T/2 -1/2 A. 3 sin (2x + π) - C. 3 sin (2x) + 1 -1 -2 3 TT/2 1T Зг:/2 B. 3 cos (2x + 7)-1 D. 3 cos (2x) + 1

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