Texas Instruments TI-89 Titanium User Manual page 738

5. In the
Y= Editor
style for .
y2(x)
6. Add the original function
select the square graphing style.
7. In the
Window Editor
variables to:
x= [ 10,15,10]
L
y= [ L 100,100,10]
8. Draw the graph.
Be sure the Graph mode is set to
Note:
Function.
Activities
, select the thick graphing
to
f(x) y3(x)
, set the window
and
735