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 [math]t[/math], in seconds, her distance [math]d[/math] from her home, in feet, can be represented by the function [math]d = 4 \mid{t − 20}\mid[/math]. Create a graph to show Zadie’s distance from her house. Which point on the graph shows when Zadie has reached her house?


Walch Education

Resource Type
absolute  critical  distance  domain  function  graph  point  range  value 
Target Group (Age)
14 – 18
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