Texas Instruments TI-83 Plus Manual Book page 10

23. Insert a new list named
24. Add the formula for maximum profit,
"3 *
L
Press ƒ ã"ä Â ¯ y 9.
Scroll to
Press Í to select it.
Press à Á ¯ y 9.
Scroll to
Press Í to select it.
Press ƒ ã"ä.
The highest value in
corresponding x (
values to maximize the profit.
Inequality Graphing for the TI-83 Plus
INEQX + 2 *
L
INEQX.
L
INEQY.
L
PRFT
INEQX
L
.
PRFT
INEQY":
provides the
) and y (
INEQY
L
)
Page 10