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212 Graphs Application
Calculating Area Between Curves
Note: To avoid unexpected results when using this feature, make sure the
documentsetting for "RealorComplexFormat" is set to Real.
When you calculate the area between curves, each curve must be:
• A function with respect to x.
- or -
• An equation in the form y=, including y= equations defined through a text
box or a conicequation template.
Defining and Shading the Area
1. From the Analyze Graph menu, select Bounded Area.
If only two appropriate curves are available, they are selected
automatically. Otherwise, you are prompted to select both curves.
2. Click each curve to select it.
You are prompted to set the lower and upper bounds.
3. Click two points to define the bounds. Optionally, you can type numeric
values.
The area becomes shaded, and the area value is displayed. The value is
always non-negative, regardless of the interval direction.