The Intersect Operation - Texas Instruments TI-83 Manual

You are asked for an Upper bound. This means place
the cursor to the right of the zero.
ENTER and obtain the following.
You are asked for a guess. Move the cursor near the zero
and press the key ENTER and obtain the following
(Screen 1.6 in the text).

The intersect Operation

Find where the functions y
y = 4.8x intersect.
2
Solution. Graph these two functions using a window
with dimensions [0, 400000] by [0, 2000000] and obtain
the following.
Press the key
= 3.84x + 300, 000 and
1
Now press the keys 2nd
following.
The blinking cursor is on one of the curves and you are
asked for First curve. Press the key ENTER and you
obtain the following.
The blinking cursor is on the other curve and you are
asked for Second curve. Press the key ENTER and
you obtain the following.
39
CALC 5 and obtain the