I WILL PUT BRAINLIEST ANSWER AND 10 POINTS

Find the function rule. (im trying to type down a table, so please be patient and try to understand and help)

-------------------------------
| x | -2 | -1 | 0 | 1 | 2 |
-------------------------------
| y | 9 | 4 | -1 | -6 | -11 |
-------------------------------

please type and explain your answer