Classify each table as linear, exponential, or neither.

.1 x / y
-3 6
-2 0
-1 -4
0 -6
1 -6
2 -4
3 0
4 6

.2 x / y
-2 -2
-1 2
0 6
1 10
2 14

3. x / y
-2 1/9
-1 1/3
0 1
1 3
2 9