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Which of the following represents an equation for this graph? 4+ a) y = -3 cos(3x + 7) - 2 AFAA., b) y = cos(3x + 2) - 2 c) y
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from amplitude the given graph 191=($ period plin 2 2 TT 2TT b=3 Tb 2711 =) C b 27 / 2 = C = 217 2 II =) C=25 phase shift: ve15 10- -5- (T3, 2) -10 -5 5 10 X (0, -3) (2/3, -3) --5- --10- --15

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