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Casio fx-9750G Graphing User Manual

Page 20

background image

144

3. Press

w

to draw the graph.

w

uuuuu

To graph inequalities

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 the appropriate graph type for Func Type.

!Z

c6

(

g

)

1

(Y>)

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.

w

8 - 5

Drawing Graphs Manually