MD Review T3 F09

MD Review T3 F09 - Math D Review Problems for Test #3 -...

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Math D Review Problems for Test #3 - Chapters 6 and 7 Chapter 6: Rational Expressions, Functions, and Equations 6.1: Find the domain of the following. 1. () 4 5 fx x = 2. 3. 2 41 fx x x =++ 0 2 7 6 x x x + = + Simplify. 4. 2 36 6 x x 5. 2 2 28 52 0 xx x −− 6. 2 2 10 10 25 x x x 6.1-6.2: Simplify by performing the indicated operation. 7. 2 2 22 5 5 25 7 10 x x + −+ + 8. 32 2 83 7 2 33 8 3 x x ÷ +− 9. 39 51 66 x x 1 0 . 57 4 3 x x x x + 11. 3 2 a aa 1 1 2 . 2 43 x 2 x + 13. 62 5 x x x + + 1 4 . 47 9 x 6.3: 2 13 2 x x x Simplify. x 15. 16. 1 1 3 x x + 1 7 . 1 49 7 a + 6.4: Divide. 18. ( 3 27 2 x + −÷− ) 19. ( ) 432 11 12 3 xxx x x +−+ − ÷+ 20. ( )( ) 42 x +÷ + − 1
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6.6: Solve. 21. 11 5 33 x x += 22. 53 2 11 x x −− 23. 43 3 21 x x x + = −+ 24. 32 1 2 x x 25. 2 25 3 6 x 9 x xx 26. 42 x x x + = 6.7: Solve for b. 27. 112 abc =+ 28. 5 a x bc = + 29. The speed of a boat in still water is 24 mph. If the boat travels 54 miles upstream in the same time that it travels 90 miles downstream, find the speed of the current.
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This note was uploaded on 01/07/2010 for the course MATH 1 taught by Professor Staff during the Spring '08 term at UC Davis.

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MD Review T3 F09 - Math D Review Problems for Test #3 -...

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