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2. Configure the dialog box with the following settings.
To specify this:
Line type
Line color
3. To apply the settings, return to the dialog box in step 2 of this procedure and then tap [OK].
Shading the Region Bounded by Two Expressions
You can shade the region bounded by two expressions by specifying [ShadeType] as the function type and
then inputting the expressions in the syntax shown below.
f
x
{lower function
(
), upper function
Note:
x
A <
< B can be omitted. A <
u To shade the region bounded by two expressions
1. Tap [Type] - [ShadeType].
2. Use the above syntax to input two
-value range, and then press E.
x
x
2
x
Example: {
– 1, –
3. Tap $ to graph.
0301
To use the draw shade dialog box to shade the region bounded by
x
2
x
2
– 1 and –
+ 1
Overlaying Two Inequalities in an Intersection Plot / Union Plot
Use the following procedure to overlay two inequalities in an Intersection Plot or Union Plot, which are
described below.
Intersection Plot: Only the parts of the inequalities that overlap are shaded.
Union Plot: The inequalities are overlaid as they are.
u To overlay two inequalities
s
y
x
2
y
x
<
,
+ 1
y
x
2
y
1. Store
<
in line
y
2.
2. On the O menu, tap [Graph Format].
3. On the Graph Format dialog box that
appears, tap the [Inequality Plot] down
arrow and then select [Intersection] or
[Union].
4. Tap $ to graph.
Perform this operation:
Tap "Graph Plot" and then tap the desired line type.
Tap "Line Color" and then tap the desired color.
g
x
(
)} | A <
x
< B can be replaced with
x
-variable expressions, specify the
2
x
+ 1} | –1 <
< 1
s
y
x
1 and
+ 1 in line
x
< B
x
> A or
Intersection Plot
Chapter 3: Graph & Table Application 101
x
< B.
Union Plot
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