Delta Cephei is one of the most visible stars in the night sky. Its brightness has
Chapter 1, Problem 14(choose chapter or problem)
Delta Cephei is one of the most visible stars in the night sky. Its brightness has periods of 5.4 days, the average brightness is 4.0 and its brightness varies by 0.35. Find a formula that models the brightness of Delta Cephei as a function of time, t, with t = 0 at peak brightness. 1
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