Casio FX-9750G plus User Manual page 162

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Other Graphing Functions
• To return to the original graph, press 2 (Zoom) 6 (g) 1 (ORIG).
• Nothing happens if you try to locate the second corner at the same location
or directly above the first corner.
• You can use box zoom for any type of graph.
u u u u u To use factor zoom
With factor zoom, you can zoom in or zoom out on the display, with the current
pointer location being at the center of the new display.
• Use the cursor keys to move the pointer around the display.
Example Graph the two functions below, and enlarge them five times in
order to determine whether or not they are tangential.
Y1 = (
Use the following View Window parameters.
Xmin
Xmax = 8
Xscale = 5
1. After graphing the functions, press 2 (Zoom), and the pointer appears on the
screen.
2. Use the cursor keys to move the pointer to the location that you want to be the
center of the new display.
3. Press 2 (FACT) to display the factor specification screen, and input the factor
x
for the - and
2(FACT)
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x x x
+ 4) ( + 1) ( – 3)
= –8 Ymin
Ymax = 30
Yscale = 10
y
-axes.
[Zoom]-[FACT]-[IN]/[OUT]
x
Y2 = 3 + 22
= –30
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