1. 2.7: Use Absolute Value Functions and Transformations HW: p.127 (4-20 even)

2. Absolute Value Function Graph

4. Graph

9. What do you notice?

11. How to Graph Identify points on the graph If a is positive the V will open up. If a is negative the V will open down. Translate the graph horizontally h units and vertically k units.

12. Graph

15. 2.7 Do Now: Graph

16. 2.7 extension: Use Piecewise Functions Quiz 1.3, 1.5, 2.7: Tomorrow

17. What is a piecewise function? At least two equations, each of which applies to a different part of the function’s domain.

18. Evaluate the function g(x) above: A.) x = 1 B.) x = 5

19. Graph

20. Evaluate the function f(x) above: A.) x = -4 B.) x = -2 C.) x = 0 D.) x = 4

21. 2.7 extension: Use Piecewise Functions HW: p.131 (1-8 all)

22. Graph

23. Step function A piecewise function is called a step function when it is defined by a constant value over each part of its domain. Example:

24. Graph