1. Warm-Up: February 13, 2012

2. 7-7 Skills Practice Answers

3. 7-7 Skills Practice Answers

4. 7-7 Skills Practice Answers

5. 7-7 Practice Answers

6. 7-7 Practice Answers

7. 7-7 Practice Answers

8. 7-7 Practice Answers

9. Homework Questions?

10. Square Root Functions and Inequalities
Section 7-9

11. Square Root Functions
A square root function is a function that contains a variable inside a square root.
The inverse of a quadratic function is a square root function only if the range is restricted to nonnegative numbers.

12. Graphing Square Root Functions
Set the radicand ≥ 0, and solve for x. This is the domain.
Set up a T-table that starts with the x-value you found in step 1.
Plot the points from the T-table and connect the dots.

13. Example 1
Graph the function. State the domain and range.

14. You-Try #1
Graph the function. State the domain and range.

15. Assignment
Page 398 #15, 21, 25
Graph each function. State the domain and range of each function.

16. Chapter 7 Test Thursday 20 questions
You will be allowed to use calculators and a 3”x5” index card (both sides).
There will not be time to review Thursday before the test.