PLEASE HELP! 15 POINTS!


Which table represents a nonlinear function?


x y
1 20
2 18
5 12
9 4

x y
0 0
1 3
3 9
7 21

x y
0 0
1 1
4 16
7 49

x y
−3 0
​ −1 ​ ​ −2 ​
​2​ ​ −5 ​
6 ​ −9 ​