Using the equal differences method, determine which of the following ordered pairs represent a quadratic function. 1. {(-1.11),(0,6).(1,3).(2.2),(3,3), (4,6).(5,11)} 2. {(-3,-35),(-2,-16).(-1.-9),(0,0).(1.-7).(2.0), (3.19) } 3. {(1,5). (3.13). (5,29). (7.53), (9,85)} 4. X 5 85 10 -20 -20 -85 -100 5. x -3 25 3 -20 5 -35 Y 10 -5​