1. 1. Be able to add and subtract rational functions.
Objectives:
1. Be able to add and subtract rational functions.
Critical Vocabulary:
Rational Function, Common Denominator

2. I. Adding and Subtracting Rational Functions
Example 1:
Rational Functions are the same, you need a common
denominator by finding the LCD.
Example 2:
1st: Factor denominators:
2nd: Find the LCD:
3rd: Write using the LCD
4th: Simplify (expand top and factor bottom):

3. I. Adding and Subtracting Rational Functions
Example 3:
1st: Factor denominators:
2nd: Find the LCD:
3(x + 4)(x + 1)
3rd: Write using the LCD
4th: Simplify (expand top and factor bottom):
*Try to factor the top to see if anything cancels!!!!

4. I. Adding and Subtracting Rational Functions
Example 4:
1st: Factor denominators:
2nd: Find the LCD:
(t + 1)(t - 1)(t - 1)
3rd: Write using the LCD
4th: Simplify (expand top and factor bottom):

5. Page 586 #3-29 odds
(14 problems)