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CHAPTER 2 Linear and Quadratic Functions
10. f(x) = x² - 9
14. f(x) = x² + 4x + 8
Skill Building
In Problems 9-24, find the complex zeros of each quadratic function. Graph each function and label the intercepts.
9. f(x) = x² + 4
13. f(x) = x²-6x + 13
11. f(x) = x² - 16
17. f(x) ...
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