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TI-83 Plus Activities 554
3. Press
|
,
~
,
}
, and
†
to move the free-
moving cursor to the apparent maximum of the
function.
As you move the cursor, the
X
and
Y
coordinate
values are updated continually.
4. Press
r
. The trace cursor is displayed on
the
Y1
function.
The function that you are tracing is displayed in
the top-left corner.
5. Press
|
and
~
to trace along
Y1
, one
X
dot at
a time, evaluating
Y1
at each
X
.
You also can enter your estimate for the
maximum value of
X
.
6. Press
3
Ë
8
. When you press a number key
while in
TRACE
, the
X=
prompt is displayed in the
bottom-left corner.