Texas Instruments TI-80 Manual Book page 177

4. Add the third piece of the function to
f(x)=6ìx for x 5. It is entered as
greater than or equal to 5, the test (x 5) returns 1. The
third piece of the function is then equivalent to (6ìx) 1.
When X is less than 5, the test (x 5) returns 0. The third
piece of the function is then equivalent to (6ìx) 0.
5. Enter these Window variable values.
Xmin=ë2
Xmax=8
Xscl=2
6. Graph the piecewise function first in
then mode. Select
DOT
and then press ,. Then select
screen, and press ,.
CONNECTED
Y1
(6ìx) (x 5)
Ymin=ë2
Ymax=10
Yscl=1
CONNECTED
on the
CONNECTED
DOT
DOT
Applications 11-13
. This piece is
. When x is
and
screen,
MODE
on the MODE