Chapter 9 (rational functions) is one of the more difficult in the course, and just in case you lose them, here are the notes for the entire chapter (same notes handed out in class):

• 09_01 Inverse Variations PRINT.pdf
• 09_01b Joint Variations PRINT.pdf
• 09_02 Graphs of Reciprocals.pdf
• 09_03 Graphs of Rational Functions.pdf
• 09_04 Rational Expressions.pdf
• 09_05 Adding Rational Expressions.pdf
• 09_06 Solving Rational Equations.pdf