The following problem can be interpreted as describing the interaction of two species with population densities x and y. Determine the limiting behavior of x and y ast →∞, and interpret the results in terms of the populations of the two species. dx dt dy dr = x(1.75 -0.25y) = y(-0.5 + x) OExcept for initial conditions lying on the coordinate axes, almost all trajectories are closed curves about the critical point (0.25, 3.0). O Except for initial conditions lying on the coordinate axes, almost all trajectories are closed curves about the critical point (0.5, 7). O Except for initial conditions lying on the coordinate axes, almost all trajectories are closed curves about the critical point (1.00, 2.0). O Except for initial conditions lying on the origin and the x-axis, almost all trajectories converge at the critical point (0, 0.5). O Except for initial conditions lying on the origin and the y-axis, almost all trajectories converge at the critical point (1.75, 0).

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 91E
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The following problem can be interpreted as describing the interaction of two species with population densities x and y. Determine
the limiting behavior of x and yast, and interpret the results in terms of the populations of the two species.
dx
dt
dy
dt
=
= x(1.75 -0.25y)
= y( − 0.5 + x)
O Except for initial conditions lying on the coordinate axes, almost all trajectories are closed curves about the critical point
(0.25, 3.0).
O Except for initial conditions lying on the coordinate axes, almost all trajectories are closed curves about the critical point
(0.5, 7).
O Except for initial conditions lying on the coordinate axes, almost all trajectories are closed curves about the critical point
(1.00, 2.0).
Except for initial conditions lying on the origin and the x-axis, almost all trajectories converge at the critical point (0, 0.5).
Except for initial conditions lying on the origin and the y-axis, almost all trajectories converge at the critical point (1.75, 0).
Transcribed Image Text:The following problem can be interpreted as describing the interaction of two species with population densities x and y. Determine the limiting behavior of x and yast, and interpret the results in terms of the populations of the two species. dx dt dy dt = = x(1.75 -0.25y) = y( − 0.5 + x) O Except for initial conditions lying on the coordinate axes, almost all trajectories are closed curves about the critical point (0.25, 3.0). O Except for initial conditions lying on the coordinate axes, almost all trajectories are closed curves about the critical point (0.5, 7). O Except for initial conditions lying on the coordinate axes, almost all trajectories are closed curves about the critical point (1.00, 2.0). Except for initial conditions lying on the origin and the x-axis, almost all trajectories converge at the critical point (0, 0.5). Except for initial conditions lying on the origin and the y-axis, almost all trajectories converge at the critical point (1.75, 0).
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