**Unformatted text preview: **8. The expression 4 x 2 6 12 x is equal to A. 1 B. 3 x C. 3 x D. 1 3 9. What is the domain of f ( x ) = 1 p (4 x 2 ) ? A. x < 2 B. | x | 2 C. 2 < x < 2 D. all real numbers 10. The accompanying graph shows the heart rate, in beats per minute, of a jogger during a 4-minute interval. What is the range of the jogger’s heart rate during this interval? A. 0–4 B. 1–4 C. 0–110 D. 60–110 Intermediate Algebra page 2 Spiral 20...

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- Fall '15
- horowitz
- Business, Quadratic equation, heart rate, Irrational number