# Introduction to Rates of Change and Behaviors of Graphs

### Learning Outcomes

By the end of this lesson, you will be able to:- Find the average rate of change of a function.
- Use a graph to determine where a function is increasing, decreasing, or constant.
- Use a graph to locate local maxima and local minima.
- Use a graph to locate the absolute maximum and absolute minimum.

[latex]y[/latex] |
2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 |

[latex]C\left(y\right)[/latex] |
2.31 | 2.62 | 2.84 | 3.30 | 2.41 | 2.84 | 3.58 | 3.68 |

*per year*. In this section, we will investigate changes such as these.

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- Revision and Adaptation.
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- College Algebra.
**Provided by:**OpenStax**Authored by:**Abramson, Jay et al..**Located at:**https://openstax.org/books/college-algebra/pages/1-introduction-to-prerequisites.**License:**CC BY: Attribution.**License terms:**Download for free at http://cnx.org/contents/[email protected].