Solve the problem.Tides go up and down in a 14-hour period. The average depth of a certain river is 14 m and ranges from 11 to 17 m. The depth of the river can be approximated by a sine curve. Write an equation that gives the depth x hours after midnight given that high tide occurs at 7:00 am.
A. d = 3 sin 
+ 1
B. d = 7 sin 
C. d = 3 sin 
+ 14
D. d = 3 sin 
+ 14
Answer: D
Mathematics
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