Mathematics, 24.02.2021 06:00 dylanpierce34

I am in math urgent care. Please help. The water level in a harbor is described by the function y = 7 cosine (pi x/6) + 25, where y represents the water level measured in feet, and x represents the number of hours since high tide. After approximately how many hours is the water expected to reach a depth of 28 feet the second time? Round to the nearest hour.

1 hour
2 hours
10 hours
12 hours

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I am in math urgent care. Please help. The water level in a harbor is described by the function y =...