19990401
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
GRPH
•
TBL
!
K
(V-Window)
-
i
w
i
w
b
w
c
-
da
w
da
w
f
w
i
3
(TYPE)
b
(Y=)
(
v
+e)(
v
+b)
(
v
-d)
w
d
v
+cc
w
5
(DRAW)
2
2
(ZOOM)
c
(Factor)
f
w
f
w
i
3
2
(ZOOM)
d
(In)
4
f
~
f
,
d
~
d
w
Result Screen
# You can repeat factor zoom to enlarge or
reduce a graph even further.
Содержание ALGEBRA FX 2.0
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