Concept explainers
a.
To write a function
a.
Answer to Problem 7.2STP
Explanation of Solution
Given information:
Population of elk=780
Growth of rate=2.3%
Calculation:
The equation is
Where
b.
b.
Answer to Problem 7.2STP
1000 is the correct answer.
Explanation of Solution
Given information:
t=11 years
Calculation:
Substituting values,
Solving,
So,
Hence, number of elks are 977.34
For the approximation, 1000 is the correct answer.
c.
To find how many years it will take to double population.
c.
Answer to Problem 7.2STP
50 years is the correct option
Explanation of Solution
Given information:
Population of elk and rate of growth
Calculation:
As rate of growth is 2.3%
2.3% of 780=
Solving,
=
Hence,
Elk increased in 1 year=18
Elk increased in 10 years=180
Elk increased in 20 years=360
Elk increased in 40 years=720
Elk increased in 50 years=900
Approximately, the years required to double the population is 50 years.
Chapter ISG Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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