(1 point) Determine which differential equation corresponds to each phase line. You should be able to state briefly LC y y A how you know your choices are correct. 3 3 30 D v 1. dy it = 2y - yz 2 1 A v 2. dy dt = 3y - y2 -1 -1 -1 DV dy -2 -2 3. If =y(2 - y) 2 -3 -3 -3 -3 -4 -4 dy B v 4. at = 4y - A B C D