1. Adding and Subtracting Rational Expressions

2. WARM UP
Suppose y varies inversely with x, Write an equation that includes the point (4,2)
The length of a violin string varies inversely as the frequency of its vibrations. A violin string 14 in long vibrates at a frequency of 450 cycles per second. Find the frequency of a 12- in violin string.

3. Review
Identify vertical and horizontal asymptotes and state domain and range 1)

4. Review of Multiplying
Multiply the following: 2. .

5. Review of Dividing
Divide the following: .

6. Review of Adding and Subtracting Fractions With Common Denominators

7. Adding .

8. Subtracting .