As before,
d(t) = A + Bsin(kt)
has
amplitude = B
period = 2π/k
d(0) = A
A buoy floating in the ocean is bobbing in simple harmonic motion with amplitude 7ft and period 8 seconds. Its displacement d from sea level at time t=0 seconds is 0 ft, and initially it moves upward. (Note that upward is the positive direction.)
Give the equation modeling the displacement d as a function of time t
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