Texas Instruments TI-84 - Manual (Page 503)

Chapter 17: Activities 500
5. Press
p. Change the viewing window to concentrate on this portion of the
graph.
6. Press
r. After the graph is plotted, press ~ to move near the point on the ferris
wheel where the paths cross. Notice the values of X , Y , and T .
7. Press
† to move to the path of the ball. Notice the values of
X and Y ( T is
unchanged). Notice where the cursor is located. This is the position of the ball when
the ferris wheel passenger passes the intersection. Did the ball or the passenger
reach the intersection first?
Tmin=1
Tmax=3
Tstep=.03 Xmin=0
Xmax=23.5
Xscl=10 Ymin=10
Ymax=25.5
Yscl=10