Mathematics, 11.06.2021 18:20 562204

High tide occurs at intervals of 12.5 h. High tide measured 8.5 ft and low tide measured 2.5 ft. What is the amplitude of a cosine function modeling the depth of the water in feet as a function of time in hours?

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High tide occurs at intervals of 12.5 h. High tide measured 8.5 ft and low tide measured 2.5 ft. Wha...