How can you tell by looking at a table if its quadratic, linear or exponential?

Question

For ex.

x: -2, -1, 0, 1, 2
y: 6, 1, 0, 1, 6

Answer 1

x y
-
10
-
40
-
9
-
35
-
8
-
30
-
7
-
25
-
6
-
20