### Home > CCA > Chapter 7 > Lesson 7.1.5 > Problem 7-61

7-61.

The drama club found that the best price for renting a fog machine was

A **step function** is a special kind of piecewise function (a function composed of parts of two or more functions). A step function has a graph that is a series of line segments that often looks like a set of steps.

The endpoints of the segments on step functions are either open circles (indicating this point is not part of the segment) or filled-in circles (indicating this point is part of the segment).