8. Consider the predator-prey system F dR = 2 (1-) R 1.5RF dt 2.5 B dF -F+0.8RF dt and the solution curves in the phase plane on the right. (a) Sketch the R(t)- and F(t)-graphs for the solutions with initial points A. B, C, and D. R 2 (b) Interpret cach solution curve in terms of the behavior of the populations over time.

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Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.