The system of differential equations dx/dt = 0.4x − 0.002x2 − 0.001xy dy/dt = 0.6y − 0.001y2 − 0.007xy   is a model for the populations of two species.   (a) Does the model describe cooperation, or competition, or a predator-prey relationship? competition cooperation    predator-prey relationship (b) Find the equilibrium solutions. (Enter solutions from smallest to largest value of x. If solutions have the same value of x, enter them from smallest to largest y.) (x,y) = (_______) (x,y) = (_______) (x,y) = (_______) (x,y) = (_______)

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