Casio fx-9750G Graphing - Manual (Page 29)

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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 (
d
,
e
,
f
,
c
) 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 = ( x + 4) ( x + 1) ( x – 3)
Y2 = 3 x + 22
Use the following View Window parameters.
Xmin = –8 Ymin = –30
Xmax = 8 Ymax = 30
Xscale = 5 Yscale = 10
1. After graphing the functions, press 2 (Zoom), and the pointer appears on the
screen.
2 (Zoom)
2. Use the cursor keys (
d
,
e
,
f
,
c
) to move the pointer to the location that
you want to be the center of the new display.
d ~ d f ~ f
3. Press 2 (FACT) to display the factor specification screen, and input the factor
for the x - and y -axes.
2 (FACT)
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Other Graphing Functions
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