Basic Function Graphing 319
You can also display function coordinates by tracing the function (…), typing an x value,
and pressing ¸.
Finding a Zero, Minimum, or Maximum within an Interval
1. From the
Graph screen, press ‡ and select 2:Zero, 3:Minimum, or 4:Maximum.
2. As necessary, use D and C to select the applicable function.
Note: Typing x values is a quick way to set bounds.
3. Set the lower bound for x. Either use A and B to move the cursor to the lower bound
or type its x value.
4. Press ¸. A 4 at the top of the screen marks the lower bound.
Finding the Intersection of Two Functions within an Interval
1. From the
Graph screen, press ‡ and select 5:Intersection.
2. Select the first function, using D or C as necessary, and press ¸. The cursor
moves to the next graphed function.
3. Select the second function, and press ¸.
4. Set the lower bound for x. Either use A and B to move the cursor to the lower bound
or type its x value.
5. Set the upper bound, and press ¸.
The cursor moves to the solution, and its
coordinates are displayed.
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