Consider the following system of equations that model the strange dynamics between the two populations of Planet Math: x(t) denotes the population of the mathvillagers and y(t) denotes the population of the biocitizens; t is in years. d = y³ −0.5x² dt dt = y²x³ + 2 Let S(t) = (xs(t), ys(t)) be the solution of the system that goes through the point (2, 0.5) at some time to. Which of the following is true? O Immediately after to, both populations increase. O Immediately after to, the population of mathvillagers to decrease and that of the biocitizens to increase. O Immediately after to, the population of biocitizens to decrease and that of the mathvillager to increase. O Immediately after to, both populations increase.

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.4: Applications
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Should I take the dy/dx of both first or divide them first? Please explain the answer alongside the steps. Thank you!

Consider the following system of equations that model the strange dynamics between the two populations of
Planet Math: x(t) denotes the population of the mathvillagers and y(t) denotes the population of the biocitizens; t
is in years.
dt
dy
dt
=
= y³ −0.5x²
=y²x³ + 2
Let S(t) = (xs(t), ys (t)) be the solution of the system that goes through the point (2, 0.5) at some time to.
Which of the following is true?
-
O Immediately after to, both populations increase.
O Immediately after to, the population of mathvillagers to decrease and that of the biocitizens to increase.
O Immediately after to, the population of biocitizens to decrease and that of the mathvillager to increase.
O Immediately after to, both populations increase.
Transcribed Image Text:Consider the following system of equations that model the strange dynamics between the two populations of Planet Math: x(t) denotes the population of the mathvillagers and y(t) denotes the population of the biocitizens; t is in years. dt dy dt = = y³ −0.5x² =y²x³ + 2 Let S(t) = (xs(t), ys (t)) be the solution of the system that goes through the point (2, 0.5) at some time to. Which of the following is true? - O Immediately after to, both populations increase. O Immediately after to, the population of mathvillagers to decrease and that of the biocitizens to increase. O Immediately after to, the population of biocitizens to decrease and that of the mathvillager to increase. O Immediately after to, both populations increase.
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