Superlesson
Project 3-1
Algebra
Chapter 3, Introducing Functions
Just as conserving energy can help preserve the environment, saving water can also help. Use the Internet to explore how much water you use for daily activities.
Part D, Making Connections
1. Look at the Water facts and trivia Web site. Use the information you find to help determine how much water the students at your school might use for showering.
a. Define two variable quantities for the relationship between the students at your school and the amount of water used.
b. Assume every person in your school takes one 10-minute shower per day. Make a table of ordered pairs showing the relationship between the variables.
c. Write an equation for the relationship between the variables.
d. Graph the relationship.
e. Use your equation to find the amount of water needed by the students of your school for showers for one day.
f. Using the Water facts and trivia site, predict how much rain must fall on an acre of land to provide enough water for the students at your school to shower for one day.