1. Wednesday, January 25, 2012MAT 121

2. Wednesday, January 25, 2012MAT 121

3. Wednesday, January 25, 2012MAT 121

4. Wednesday, January 25, 2012MAT 121

5. Wednesday, January 25, 2012MAT 121

6. Wednesday, January 25, 2012MAT 121

7. Wednesday, January 25, 2012MAT 121

8. Wednesday, January 25, 2012MAT 121 xy -2 0 1 02460246 f(x) = 2x +4 A line with slope 2 and y-intercept 4. For every 1-unit change in x, there is a corresponding 2 unit change in y.

9. Wednesday, January 25, 2012MAT 121

10. Wednesday, January 25, 2012MAT 121

11. Wednesday, January 25, 2012MAT 121