Which table represents a linear function?
A.
X
у
B.
y
C.
х
y
D.
у
- 4
8
-4
2
-4
2
-4
4
-2
0
-2
0
- 2
0
-2
2
0
-4
0
2
0
-4
0
0
2
-6
2
4
0
-2
2
-2