1. Find the intersection of this circle and this ellipse. (6) x + (y-3) = 4 x + y = 1 2. Express this function as a composition in two different ways. (4) |f(x) = cos 1 1+2x 3. Draw the phase line and trajectories for this autonomous differential equation. (You may assume this is a population equation and p > 0. Describe the behaviour of the population. (6) dp dt = = (p 3) (p 7) (p - 13) 2