a.
To Write: The function that models the change in the animal population.
The function that models the change in the animal population is
Given:
Total number of animals
Decreasing Interest rate
Explanation:
The reasonable model is
Interest rate is decreases, so
Substitute
Thus, the function is
b.
To Graph: The function for estimate the number of years until the population first drops below
Given:
Interest rate
Total number of number of animals
Explanation:
Graph the function from part
Thus, approximately
Chapter 7 Solutions
High School Math 2015 Common Core Algebra 2 Student Edition Grades 10/11
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