A function is a relation that assigns exactly one value of the dependent variable to each value of the independent variable. When a function is graphed, a vertical line can pass through the graph and touch only one point.
Before the Activity
If you are using the TI-Navigator System with the TI-73 you will need the attached .pdf file.
During the Activity
This LearningCheck™ appvar can be sent to your class using TI-Navigator.
After the Activity
Review student answers:
As a class, discuss questions that appeared to be more challenging
Re-teach concepts as necessary