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Mathematics, 03.06.2020 02:57 Stevencriollo6838

At a seaport, the depth of the water, h metres, at time t hours, during a certain day is given by h=2.5 sin2 π(t-4)/12.4+6.2.
What is the minimum depth of the water?
A. 8.7m
B. 9.2m
C. 7.7m
D. 5.2m

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