Casio fx-9860G SD - Manual (Page 189)

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5-2-10
Controlling What Appears on a Graph Screen
○ ○ ○ ○ ○
Example Enlarge the graphs of the two expressions shown below five times on
both the
x - and y -axis to see if they are tangent.
Y1 = ( x + 4)( x + 1)( x – 3), Y2 = 3 x + 22
Use the following V-Window settings.
Xmin = –8, Xmax = 8, Xscale = 1
Ymin = –30, Ymax = 30, Yscale = 5
Procedure
1 m GRAPH
!3(V-WIN) -iwiwbwc
-dawdawfwJ
3(TYPE)1(Y=)(v+e)(v+b)
( v-d)w
d v+ccw
6(DRAW)
2 !2(ZOOM)2(FACT)fwfwJ
3 !2(ZOOM)3(IN)
4 f~f,d~dw
Result Screen
# You can repeat factor zoom to enlarge or
reduce a graph even further.
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