Mathematics, 27.08.2020 20:01 BaileyElizabethRay

hourly temperature at Portland, Oregon, on a particular day is recorded below. 1 A. M. 2 3 4 5 6 7 8 9 10 11 12 Noon 46 44 43 41 40 40 41 43 46 52 65 69 1 P. M. 2 3 4 5 6 7 8 9 10 11 12 Midnight 72 74 75 75 77 75 74 70 62 55 51 48 a. Find the amplitude of a sinusoidal function that models this temperature variation. b. Find the vertical shift of a sinusoidal function that models this temperature variation. c. What is the period of a sinusoidal function that models this temperature variation? d. Use t = 0 at 5 P. M. to write a sinusoidal function that models this temp. variation. e. What is the models temperature at 10 A. M.? Compare this to the actual value?

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