The figure shows the depth of water at the end of a boat
Chapter 4, Problem 4.5.93(choose chapter or problem)
The figure shows the depth of water at the end of a boat dock. The depth is 6 feet at low tide and 12 feet at high tide. On a certain day, low tide occurs at 6 A.M. and high tide at noon. If represents the depth of the water hours after midnight, use a cosine function of the form to model the water s depth.
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