For each two-population system in 26 through 34, first describe the type of x- and y-populations involved (exponential or logistic) and the nature of their interaction competition, cooperation, or predation. Then find and characterize the systems critical points (as to type and stability). Determine what nonzero x- and y-populations can coexist. Finally, construct a phase plane portrait that enables you to describe the long-term behavior of the two populations in terms of their initial populations x.0/ and y.0/. dx/dt = 2xy 4x, dydt = xy 3y

/ I Lionlut,:~r I s www.LionTutors.com MATH140 Exam 1- Sample Test 1 2 LI l. Find the limit:lim 3x -x x~-1+ x+ 1 0 -+ a) -00...