For each of the following table of values, determine whether it represents a quadratic function or not. show your solution. 1. x -2 -1 0 1 2 y -3 -1 1 3 5 2. x -2 -1 0 1 2 y 9 3 1 3 9 3. x -2 -1 0 1 2 y 8 2 0 2 8 4. x -2 -1 0 1 2 y 4 1 0 1 4 5. x -2 -1 0 1 2 y -8 -1 0 1 8