Mathematics, 02.07.2019 01:00 brookie125

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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The function f(t) = 7 cos(pi over 4t) + 12 represents the tide in light sea. it has a maximum of 19...