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Suppose the Equations dydt=2yxy\frac{d y}{d t}=2 y-x y And dxdt=xxy\frac{d x}{d t}=x-x y

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Suppose the equations dydt=2yxy\frac{d y}{d t}=2 y-x y and dxdt=xxy\frac{d x}{d t}=x-x y describe the rates of growth of two interacting species, where x is the number of species A, measured in thousands, and y is the number of species B, measured in thousands.The slope field in the xy-phase plane is shown below.Consider the trajectory for the initial conditions x = 0.5, y = 1.5.(In other words, there are initially 500 of species A and 1500 of species B.)Is the population of Species B increasing or decreasing?  Suppose the equations  \frac{d y}{d t}=2 y-x y  and  \frac{d x}{d t}=x-x y  describe the rates of growth of two interacting species, where x is the number of species A, measured in thousands, and y is the number of species B, measured in thousands.The slope field in the xy-phase plane is shown below.Consider the trajectory for the initial conditions x = 0.5, y = 1.5.(In other words, there are initially 500 of species A and 1500 of species B.)Is the population of Species B increasing or decreasing?

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