In This Chapter
Tracing the graph of a function
Using Zoom commands
Constructing tables of functional values
Creating and clearing user-defined tables
Viewing graphs and tables on the same screen
The calculator has three very useful features that help you explore the graph of a function: tracing, zooming, and creating tables of functional values. Tracing shows you the coordinates of the points that make up the graph. Zooming enables you to quickly adjust the viewing window for the graph so you can get a better idea of the nature of the graph. And creating a table — well, I’m sure you already know what that shows you. This chapter explains how to use each of these features.
The TI-84 Plus C has a graph border on the edge of the graph screen where the calculator displays functions, trace values, and helpful hints. The TI-84 Plus displays most of the same information, but it does so directly on the bottom of the graph screen. Additionally, the TI-84 Plus ...