1.
The initial value is (0,0), and the rate of change can be found by calculating the rise over the run. In this case, the rise is 3 (from y=0 to y=3) and the run is 2 (from x=0 to x=2). Therefore, the rate of change is 3/2 or 1. So, the initial value is (0,0) and the rate of change is 1.