2. y = 2, 15, 9, 12, 3
3. y = -9, -81, -18, 63, -45
4. y = 54, -63, -36, 9, 0
5. y = 12, -6, 9, 2, -1
6. y = 40, 52, -56, 4, 16
7. y = -27, 17, 5, -23, -7
8. y = -50, 13, -22, 20, 34
9. y = -35, -40, -5, -15, 45
10. y = -56, -8, -40, 24, 16
11. y = -9, 3, -4, -2, -1
12. y = 60, 4, -68, -76, -12
