Module 6  Continuity 
Introduction  Lesson 1  Lesson 2  Lesson 3  SelfTest 
Introduction 
When your TI89 graphs a function, it calculates the coordinates of various points on the graph and connects them with a short line segment. The basic assumption underlying this method of generating the graph is that the function is continuous. In this module you will investigate continuity using informal and formal definitions. You will use the TI89 to visualize both continuous and discontinuous functions and to graph piecewise functions. Lesson Index: 6.1  Definition of Continuity 6.2  Types of Discontinuities 6.3  Piecewise Functions After completing this module, you should be able to do the following:

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