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Concept explainers
Growth of an Insect Population The size of a certain insect population at time (in days) obeys the model .
(a) Determine the number of insects at days.
(b) What is the growth rate of the insect population?
(c) Graph the function using a graphing utility.
(d) What is the population after 10 days?
(e) When will the insect population reach 800?
(f) When will the insect population double?
![Check Mark](/static/check-mark.png)
To find:
a. Determine the number of insects at days.
Answer to Problem 1AYU
Solution:
a. 500
Explanation of Solution
Given:
Calculation:
a.
![Check Mark](/static/check-mark.png)
To find:
b. What is the growth rate of the insect population?
Answer to Problem 1AYU
Solution:
b.
Explanation of Solution
Given:
Calculation:
b. Growth rate is or .
![Check Mark](/static/check-mark.png)
To find:
c. Graph the function using graphing utility.
Answer to Problem 1AYU
Solution:
c.
Explanation of Solution
Given:
Calculation:
c. Graph:
![Check Mark](/static/check-mark.png)
To find:
d. What is the population after 10 days?
Answer to Problem 1AYU
Solution:
d. 611
Explanation of Solution
Given:
Calculation:
d. After 10 days .
![Check Mark](/static/check-mark.png)
To find:
e. When will the insect population reach 800?
Answer to Problem 1AYU
Solution:
e.
Explanation of Solution
Given:
Calculation:
e.
Taking log on both sides.
![Check Mark](/static/check-mark.png)
To find:
f. When will the insect population double?
Answer to Problem 1AYU
Solution:
f.
Explanation of Solution
Given:
Calculation:
f.
Taking log on both sides.
Chapter 5 Solutions
Precalculus
Additional Math Textbook Solutions
Thomas' Calculus: Early Transcendentals (14th Edition)
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