Texas Instruments TI-89 Titanium User Manual page 739

Observe that the global behavior of the function is basically represented by the
f(x)
quadratic quotient . The rational expression is basically a quadratic function as
y2(x) x
gets very large in both the positive and negative directions.
The lower graph is graphed
y3(x)=f(x)
separately using the line style.
Studying Statistics: Filtering Data by Categories
This activity provides a statistical study of the weights of high school students using
categories to filter the data.
Activities 736