Which table represents a non-proportional situation?



x f(x)

–1 –3

0 0

1 3

4 12





x f(x)

–2 2

0 4

2 6

3 7





x f(x)

–1 –3

0 0

1 3

2 6





x f(x)

–1 2

0 0

1 –2

2 –4