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20070201
Example Use the pen to draw on the graph
y = x ( x + 2)( x – 2).
Use the following V-Window settings.
Xmin = –5, Xmax = 5, Xscale = 1
Ymin = –5, Ymax = 5, Yscale = 1
Procedure
1 m GRAPH
!3 (V-WIN) - f w f w b w c
- f w f w b wJ
3 (TYPE)1 (Y=)v ( v +c)( v -c) w
6 (DRAW)
2 !4 (SKTCH)6 (g )6 (g )1 (PEN)
3 f ~f d ~d w
4 cd …, e ~e , ef …, d ~d w
Result Screen
5-10-6
Changing the Appearance of a Graph