Casio FX-9750G PLUS User's Manual & Technical Reference page 154

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