### Home > A2C > Chapter 9 > Lesson 9.1.2 > Problem 9-42

9-42.

Are parabolas polynomial functions? Are lines polynomial functions? Are cubics? Exponentials? Circles? In all cases, explain why or why not.

Try writing an equation for each type of graph.

Parabolas, lines, and cubics are all polynomial functions. Exponentials and circles are not.