Have you ever helped to organize an event that involved planning the seating and refreshments for large numbers of people? In this chapter's first Internet project, you will have the opportunity to research the cost of renting folding chairs. Your final report will include writing and graphing equations to compare the costs of renting chairs from different companies.

In this chapter you will learn: how to determine whether a relation is a function how to solve linear equations how to solve systems of linear equations how to solve a problem by graphing