11-11-2017
Mathematics

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The function f(t) = 7 cos(pi over 4t) + 12 represents the tide in Light Sea. It has a maximum of 19 feet when time (t) is 0 and a minimum of 5 feet. The sea repeats this cycle every 8 hours. After two hours, how high is the tide?

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11-11-2017

You should be able to plug in t = 2 to find the answer

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