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OpenStudy (anonymous):
The function f(t)= 3 cos(pi/6t) +5 represents the tide in the Blastic Sea. It has a maximum of 8 feet when time (t) is 0 and a minimum of 2 feet. The sea repeats this cycle every 12 hours. After nine hours, how high is the tide? a. 12 feet b. 5 feet c. 4.5 feet d. 2.5 feet
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OpenStudy (anonymous):
SOMEONE PLEASE HELP ME
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