Question
The number of hours of daylight on a given day in City A is given by the
following function, where
is the number of days after January 1 .
Use this function to answer parts a through e.
a. What is the amplitude of this function?
3 (Simplify your answer.)
b. What is the period of this function?
(Simplify your answer. Type an exact answer, using
as needed. Use integers or
fractions for any numbers in the expression.)
following function, where
Use this function to answer parts a through e.
a. What is the amplitude of this function?
3 (Simplify your answer.)
b. What is the period of this function?
(Simplify your answer. Type an exact answer, using
fractions for any numbers in the expression.)
Ask by Mills Norton. in the United States
Feb 08,2025
Upstudy AI Solution
Tutor-Verified Answer
Answer
The amplitude is 3 and the period is 365.
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Bonus Knowledge
The amplitude of the function you’re working with is a key element in understanding how varied the number of daylight hours can be throughout the year. In this sine function, the amplitude is represented by the coefficient in front of the sine term, which is
. This means the daylight hours fluctuate 3 hours above and below the average.
As for the period of the function, it represents the cycle duration, or in simpler terms, how long it takes for the function to repeat itself. In this case, the period is determined by the formula
, where
is the coefficient of
inside the sine function. Here,
, so the period is calculated as
, which simplifies to
days. Thus, it takes a full year for the daylight hours to repeat their pattern.