Casio fx-9750G PLUS User Manual
Page 154
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126
2. Input the expression.
!4
(Sketch)1(Cls)w
5
(GRPH)4(X = c)d
3. Press w to draw the graph.
u
u
u
u
u
To graph inequalities
[Sketch]-[GRPH]-[Y>]/[Y<]/[Y
≥
]/[Y
≤
]
You can graph inequalities that can be expressed in the following four formats.
•
y
>
f
(
x
)
•
y
<
f
(
x
)
•
y
>
f
(
x
)
•
y
<
f
(
x
)
Example
To graph the inequality
y
>
x
2
– 2
x
– 6
Use the following View Window parameters.
Xmin = –6
Ymin = –10
Xmax = 6
Ymax = 10
Xscale = 1
Yscale =
5
1. In the set up screen, specify “
Y>” for Func Type and then press J.
2. Input the inequality.
!4
(Sketch)1(Cls)w
5
(GRPH)6(g) 1(Y>)vx-cv-g
3. Press w to draw the graph.
8 - 5
Drawing Graphs Manually
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