Example 1

A software program can show a user how far he or she is from a location on a map. Zadie is walking in a straight line down her street. For any time t, in seconds, her distance d from her home, in feet, can be represented by the function . Create a graph to show Zadie’s distance from her house. Which point on the graph shows when Zadie has reached her house?
This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit www.walch.com for more information.