Two companies, A and B, are in competition with each other. Let x represent the net worth (in millions of dollars) of Company A, and y represent the net worth (in millions of dollars) of Company B. Four trajectories are given in Figure 9.43. For each trajectory: Describe the initial conditions. Describe what happens initially: Do the companies gain or lose money early on? What happens in the long run?

Unknowns Add To Take From Put Compare Together/ Take Apart Addend Bigger Both Addends Change Difference Result Smaller Start Total CCSS Problem Types Add To: Addition set-up; action involved Take From: Subtraction set-up; action involved Put Together/Take...