Mathematics, 28.10.2020 23:00 lorenaandreahjimenez

The water depth in a harbor rises and falls over time. The function f(t) = 4.1 sine (StartFraction pi Over 6 EndFraction t minus StartFraction pi over 3 EndFraction) + 19.7 models the water depth, in feet, after t hours. During the first 24 hours, at what times does the water depth reach a maximum?
at 5 and 17 hours
at 11 and 23 hours
at 2, 8, 14, and 20 hours
at 5, 11, 17, and 23 hours

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The water depth in a harbor rises and falls over time. The function f(t) = 4.1 sine (StartFraction p...

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