Analyzing A Function Graph - Casio FX-9750G PLUS User's Manual & Technical Reference

9-2 Analyzing a Function Graph

The following two graphs are used for all of the examples in this section, except
for the example for determining the points of intersection for two graphs.
Memory location Y1 =
Use the View Window to specify the following parameters.
k k k k k Determining Roots
Specify the graph you want to use.
Determine the root.
(A)
Xmin = –5
Xmax = 5
Xscale = 1
Example To determine the roots for
View Window: (B)
!5(G-Solv)
1(ROOT)
(This puts the unit into standby waiting
for selection of a graph.)
• A " k " cursor appears on the graph that has the lowest memory area number.
c
• Use f and c to move the cursor to the
graph whose roots you want to find.
w
• Roots are found starting from the left.
x x(x
+ 1 Y2 = + 2)
(B)
Ymin = –5
Ymax = 5
Yscale = 1
y
(x
– 2)
Xmin = –6.3
Xmax = 6.3
Xscale = 1
x x x
= ( + 2)( – 2)
Ymin = –3.1
Ymax = 3.1
Yscale = 1
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