Suppose that the differential equation dy dt = y(40-y) - 300 models a logistic equation with harvesting, where you) represents a spotted grunter population in the Knysna Lagoon at time t, measured in years. Write daun the (a) per capita growth rate of the spotted grunter population (b) carrying capacity of the Lagoon. ( rate at which the spotted Lagoon grunter are harvested from the Lagoon d) Determine the i criticell points of Eq. (3) ba Tim Fa (7)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Answer d.(i) only

Question 4
Suppose that the differential equation
dy
G
dE = y(40-y) - 300
models a logistic equation with harvesting, where you)
represents a spotted grunter population in the Knysna
Lagoon at time t, measured in years.
усы
17
Write down the
(a) per capita growth rate of the spotted grunter
TE
population
55
(b) carrying capacity of the Lagoon.
(c) rate at which the spotted bagoon grunter are
harvested from the Leigeon
d
14
d) Determine the
li criticell points of Eq. (3)
(ii) limiting and threshole solutions from Eq. (3)
(iii) stability of the critical points by drawing a phase
diagram For Eq. (3)
Transcribed Image Text:Question 4 Suppose that the differential equation dy G dE = y(40-y) - 300 models a logistic equation with harvesting, where you) represents a spotted grunter population in the Knysna Lagoon at time t, measured in years. усы 17 Write down the (a) per capita growth rate of the spotted grunter TE population 55 (b) carrying capacity of the Lagoon. (c) rate at which the spotted bagoon grunter are harvested from the Leigeon d 14 d) Determine the li criticell points of Eq. (3) (ii) limiting and threshole solutions from Eq. (3) (iii) stability of the critical points by drawing a phase diagram For Eq. (3)
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