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Warm-Up: February 13, 2012

Warm-Up: February 13, 2012. 7-7 Skills Practice Answers. 7-7 Skills Practice Answers. 7-7 Skills Practice Answers. 7-7 Practice Answers. 7-7 Practice Answers. 7-7 Practice Answers. 7-7 Practice Answers. Homework Questions?. Square Root Functions and Inequalities. Section 7-9.

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Warm-Up: February 13, 2012

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  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.

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