A breeding group of foxes is introduced into a protected area, and the population growth follows a logistic pattern. After t years, the population of foxes 32.5 0.21 +0.76t foxes (a) How many foxes were introduced into the protected area? (Round your answer to the nearest whole number.) foxes N = (b) Make a graph of N versus t. O 160 140 120 100 N 80- 60 40 20 0 160- 140 120 100 N 80 60 40 20 0 5 5 10 10 t t 15 15 20 20 25 25 160 140 Explain in words how the population of foxes increases with time. 120- 100- N 80 60 40 20 0 160 140 120- 100 N 80- 60 40 20- 0 5 5 10 10 1 t 15 15 20 20 25 25

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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When will the fox population reach 100 individuals? (Round your answer to two decimal places.)

The fox population will reach 100 individuals after(blank) years.
A breeding group of foxes is introduced into a protected area, and the population growth follows a logistic pattern. After t years, the population of foxes is
32.5
0.21 +0.76
N =
(a) How many foxes were introduced into the protected area? (Round your answer to the nearest whole number.)
foxes
(b) Make a graph of N versus t.
O
160
140
120
100
N 80
60
40
20
0
160
140
120
100
foxes
N 80-
60
40
20
5
5
10
10
t
t
15
15
20
20
25
25
O
160
140
Explain in words how the population of foxes increases with time.
120-
100
N 80-
60
40
20
0
160
140
120
100
N 80-
60
40
20
0
5
5
10
10
t
t
15
15
20
20
25
25
Transcribed Image Text:A breeding group of foxes is introduced into a protected area, and the population growth follows a logistic pattern. After t years, the population of foxes is 32.5 0.21 +0.76 N = (a) How many foxes were introduced into the protected area? (Round your answer to the nearest whole number.) foxes (b) Make a graph of N versus t. O 160 140 120 100 N 80 60 40 20 0 160 140 120 100 foxes N 80- 60 40 20 5 5 10 10 t t 15 15 20 20 25 25 O 160 140 Explain in words how the population of foxes increases with time. 120- 100 N 80- 60 40 20 0 160 140 120 100 N 80- 60 40 20 0 5 5 10 10 t t 15 15 20 20 25 25
Expert Solution
Step 1

The population after time t is given by N=32.50.21+0.76t

Part a

At time t=0, the population of foxes is:

N=32.50.21+0.760=32.50.21+1=26.859527

27 foxes were introduced in the protected area.

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