In 1–2 sentences, explain which type of function best models the data in the table? How do you know?

Question

Type of Function

x y
1
26

4
86

7
146
(2 points)

Answer 1

A quadratic function best models the data in the table because the differences in the y-values are not constant and the y-values increase at a rate that is not linear. This is evident by the pattern in the data as x increases.