Question: Need help with a), b), and c) 7. The depth of water in a hay changes due to the tide. On one particular day, the

Need help with a), b), and c)

7. The depth of water in a hay changes due to the tide. On one particular day, the depth can be modeled by D = 6 cos 6: t) + I", where t is hours since midnight, and D is depth in metres. a) Calculate the depth of the water at midnight. h) At what rate is the depth changing at 4:00 am? \"I c) At what time, between midnight and noon is the water level rising fastest

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