I need a suggestion for what to go by for a couple of charts.

Question

1. (-4,1), (-1,3.4), (1.5, 5.4), (6.4, 9.32) and (9,11.4)

2. (-4, 4.4), (-1, 2), (2.4, -0.72), (11, -0.76), and (14, -10)

Thank you!