tell whether each table represents a linear relationship...
x| 2|4 | 6 |8| 10 |12 |14
y| 0| 1 | 2 | 3 | 4 | 5 | 6
x| 2|4 | 6 |8| 10 |12 |14
y| 0| 1 | 2 | 3 | 4 | 5 | 6