Texas Instruments TI-84 Plus Calculator User Manual


 
72 Activities
6. Press r. Again, use the cursor keys to compare the values of the
two graphed functions, Y3 and Y4.
Problem 2
Explore the functions defined by
,,and
Procedure 2
1. Press o. Turn off all functions and stat plots. Use a list to define
these three functions simultaneously. Store the function in
Y5.
2. Press q
6 to select 6:ZStandard.
3. Press r. Notice that the functions appear identical, only shifted
vertically by a constant.
4. Press o. Enter the numerical derivative of
Y5 in Y6.
5. Press r. Notice that although the three graphs defined by
Y5 are
different, they share the same derivative.
yt
2
td
2
x
= t
2
td
0
x
t
2
td
2
x