This video will show how to use rational functions (with slant asymptotes) and apply them to "minimizing area" problems.
Source: Created by Crystal Kirch using Camtasia for Mac
If the WSQ does not show up use this link: https://docs.google.com/spreadsheet/viewform?formkey=dE1DdFNKMmVuMFVPY0ZCLXktTU9CSlE6MA#gid=0
Source: created by google docs