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7-2 Tables
8307TABL.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 12:26 PM Printed: 02/19/01 1:36
PM Page 2 of 6
Getting Started is a fast-paced introduction. Read the chapter for details.
Evaluate the function Y = X
3
N
2X at each integer between
L
10 and 10. How
many sign changes occur, and at what
X values?
1. Press
z
†
†
†
Í
to set
Func
graphing mode.
2. Press
o
. Press
„
3 to select
3
.
Then press
¹
2
„
to enter the
function
Y
1
=X
3
N
2X
.
3. Press
y
[
TBLSET
] to display the
TABLE
SETUP
screen. Press
Ì
10
Í
to set
TblStart=
L
10. Press 1
Í
to set
@
Tbl=1
.
Press
Í
to select
Indpnt: Auto
(automatically generated independent
values). Press
†
Í
to select
Depend: Auto (automatically generated
dependent values).
4. Press
y
[
TABLE
] to display the table
screen.
5. Press
†
until you see the sign changes in
the value of
Y
1
. How many sign changes
occur, and at what
X values?
Getting Started: Roots of a Function