Casio fx-9750G Graphing Manual do Utilizador descarregar pdf (Página 20)

144

3. Press w to draw the graph.

uTo 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

– 2x – 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.

!Zc6(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.

8 - 5 Drawing Graphs Manually

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