After getting a job, Kessy started saving a percentage of her annual income, which can be modeled by P(t) = 5.2 cos (0.517t) + 2.5, where P(t) is the percentage of her annual income that she was able to save on year t after she got a job. What percentage of her annual income did she save on the 4th year? *
After getting a job, Kessy started saving a percentage of her annual income, which can be modeled by P(t) = 5.2 cos (0.517t) + 2.5, where P(t) is the percentage of her annual income that she was able to save on year t after she got a job. What percentage of her annual income did she save on the 4th year? *
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section: Chapter Questions
Problem 33CT
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Question
100%
a. 5.16% of her annual income
b. 7.02% of her annual income
c. 2.60% of her annual income
d. 1.98% of her annual income
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