9
QuizMultiple Choice
General Form of Sine and Cosine
Question 9 • Pre Calculus A
The water depth in a harbor rises and falls over time. The function f(t) = models the water depth, in feet, after t hours.During the first 24 hours, at what times does the water depth reach a maximum?
Answer
A
at 5 and 17 hoursB
at 11 and 23 hoursC
at 2, 8, 14, and 20 hoursD
at 5, 11, 17, and 23 hours