Chapter 4 graphing – Casio fx-7400G PLUS Graphing User Manual
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Chapter 4
Graphing
[
1 (Y >) ......... Y >
f
(
x
) inequality
2 (Y <) ......... Y <
f
(
x
) inequality
3 (Y
≥) ......... Y >
f
(
x
) inequality
4 (Y
≤) ......... Y <
f
(
x
) inequality
Press [ to return to the previous menu.
u
uu
u
uTo graph using rectangular coordinates (Y =)
You can graph functions that can be expressed in the format
y
=
f
(
x
).
Example
To graph
y
= 2
x
2
+ 3
x
– 4
Use the following View Window parameters.
Xmin
= –5
Ymin
= –10
Xmax = 5
Ymax = 10
Xscl
= 2
Yscl
=
5
1. In the set-up screen, specify the appropriate graph type for F-Type.
!Z1(Y =)Q
2. Input the rectangular coordinate (Y =) expression.
A!4(SKTCH)1(Cls)w
2(GRPH)1(Y =)
c
Tx+dT-e
3. Press w to draw the graph.
w
• You can draw graphs of the following built-in scientific functions.
• sin
x
• cos
x
• tan
x
• sin
–1
x
• cos
–1
x
• tan
–1
x
•
•
x
2
• log
x
• ln
x
• 10
x
•
e
x
•
x
–1
•
3
View Window settings are made automatically for built-in graphs.
1
2
3
4
[