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Chapter 7 Rational Functions - College of the Redwoods

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746 <strong>Chapter</strong> 7 <strong>Rational</strong> <strong>Functions</strong><br />

7.8 Answers<br />

1. −9, −7<br />

3. −10, −9<br />

5. 4, 6<br />

7.<br />

1<br />

2 , 4<br />

9. 10, 12<br />

11. {2/3, 8/3} and {−8/5, 2/5}<br />

13. 1.63 mph<br />

15. 4.90 mph<br />

17. 15 mph<br />

19. 35 mph<br />

21.<br />

14<br />

3 mph<br />

23. 2 mph<br />

25. 15 hours<br />

27. 18 hours<br />

29. 12 hours<br />

31.<br />

28<br />

11 hours<br />

Version: Fall 2007

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