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a.
To write:a recursive rule for the amount of chlorine in the pool at the start of the mil week.
a.
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Answer to Problem 54E
Explanation of Solution
Given:
The initial amount of chlorine in a swimming pool is
And the amount of chlorine is continuously added 16 ounces and40% of the chlorine evaporates.
Calculation:
According to the question, 40% of the chlorine evaporates, 60% remain in the swimming pool. Also 16 ounces are added each year.
Hence, a recursive rule for the amount of chlorine in the pool at the start of the mil weekis
b.
To find: the amount of chlorine in the pool at the start of the third week.
b.
![Check Mark](/static/check-mark.png)
Answer to Problem 54E
Explanation of Solution
Given:
The initial amount of chlorine in a swimming pool is
And the amount of chlorine is continuously added 16 ounces and 40% of the chlorine evaporates.
Calculation:
From part (a)
Therefore, start of the 3rdweek is
Hence, the number of members at the start of the 5th year is
c.
To describe: what happens to the amount of chlorine in the pool over time.
c.
![Check Mark](/static/check-mark.png)
Answer to Problem 54E
40.
Explanation of Solution
Given:
The initial amount of chlorine in a swimming pool is
And the amount of chlorine is continuously added 16 ounces and 40% of the chlorine evaporates.
Calculation:
From part (a)
Hence, he sequence approaches to 40.
Chapter 8 Solutions
Big Ideas Math A Bridge To Success Algebra 2: Student Edition 2015
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