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Model Periodic Phenomena
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ACCUPLACER
AAF.196 Model Periodic Phenomena
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A periodic quantity has midline 14, amplitude 6, period 9 units, and at t = 0 it is on the midline and decreasing. Which model fits?
A
y = 14 + 6sin((2π/9)t)
B
y = 14 - 6cos((2π/9)t)
C
y = 6 - 14sin((2π/9)t)
D
y = 14 - 6sin((2π/9)t)
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