Solve the problem.A population of animals varies periodically between a low of 700 on January 1 and a high of 900 on July 1. Find an equation (using a trigonometric function) to describe the size of the population at any time t, where t is measured in months from the beginning of the year, and use this equation to find the rate of change of the population on September 1. Give your answer in exact form.
A. - 
animals per month
B. -50
animals per month
C. - 
animals per month
D. - 
animals per month
Answer: C
Mathematics
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A. Five hundred forty-nine dollars and 
B. Five hundred and forty-nine and 
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A. 3 R 5 B. 4 C. 3 R 4 D. 5
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