II. Setting Windows and Styles

B. Examples

5. Radical Functions

i) Example: Graph the function . Note the domain is , and your graph should reflect this.

Enter the function.
Set a Window.
Graph.

ii) Example: Graph the function. You can enter the radical expression as an exponential expression. The domain is all real numbers, so the first window choice is ZoomDec. This is a good window. ZoomStd also gives a view of the graph that can be used, but it is not as good as ZoomDec.

Enter the function.
ZoomDec
ZoomStd