Answers/Hints/Solutions for
selected Problems in Chapter 12 (answers
to most odd-numbered problems are provided in the back of the
textbook). Some of the graphs that
appear below are links to software pages (holding your mouse
pointer over a graph will show if it is such a link).
NOTE: If you are not familiar with
DPGraph or have not downloaded it yet, it is necessary to start
from the Software page to
download the DPGraph software and familiarize yourself with its
basics before trying to produce graphs similar to those that
appear on this page.
# 13 - The region R in this problem is shaded in color below: