The area covered by a lake is 11 square kilometers. It is decreasing exponentially at a rate of 2 percent each year and can be modeled by A (t) = 11 · (0.98)*. 1. By what factor does the area decrease in 10 years? 2. By what factor does the area decrease each month?
The area covered by a lake is 11 square kilometers. It is decreasing exponentially at a rate of 2 percent each year and can be modeled by A (t) = 11 · (0.98)*. 1. By what factor does the area decrease in 10 years? 2. By what factor does the area decrease each month?
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter5: Exponential And Logarithmic Functions
Section5.5: Exponential And Logarithmic Models
Problem 2ECP
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Transcribed Image Text:The area covered by a lake is 11 square kilometers. It is decreasing exponentially at a rate of 2 percent
each year and can be modeled by A (t) = 11 - (0.98)*.
1. By what factor does the area decrease in 10 years?
2. By what factor does the area decrease each month?
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