2.
Which table shows a relationship that is not a function?
A.
Input
-1
0
-1
-2
Output
2
4
2
0
Explain your thinking.
Input
1
3
1
3
B.
Output
2
4
6
8
Input
2
4
6
8
C.
Output
0
2
4
6
Input
1
2
3
4
D.
Output
2
2
2
2