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Unformatted text preview: Prestatistics  AMS002 Practice final test  Spring Quarter 2010 Name 1. How much is 2 1 + 2 2 ? 2. Simplify 3 √ 27 x 7 9 3 √ x 4 . 3. Solve the following equation: 2 u 1 2 2 u +1 3 = 1 4 u 6 . 4. After a 40% reduction and 10% sales tax, your computer costs $630. What was the original cost of the computer? Note: To keep things simple, assume the tax is calculated on the original cost of the computer, not on the cost after the rebate. 5. Simplify x 3 8 x 2 4 × x +2 3 x . 6. Solve for x , 1 2 x 4 ≤ x 2 2 5 7. Each side of a square is lengthened by 3 inches. The area of the new square is 64 inches. Find the length of the side of the original square. 8. Solve for x, 2  1 x 2  ≥ 1. 9. Simplify x 1 + 2 x 1 2 x . 1 10. 2 3 3+ 1 4 = . 11. x √ x . 12. Solve for x, 2 < x +1 6 1 3 < 2. 13. What is the equation of the line that passes through the point (1,3) and is parallel to y = 2 x 1. 14. Draw the graph of y = 2 x 2 and find its domain and range. 15. Does the graph of y = √ x 1 have any xintercepts? If there are any, where do they occur? 16. The minimum value of the function f ( x ) = x 2 x + 1 is... 17. What is the expression of the inverse function of y = x 2 3 x ? 18. Find the graph of y = e x 1 . For which value of x is e x 1 = 1? 19. Solve the equation 2 + log 3 ( x 2 ) log 3 (2) = 3. 20. Solve 1 √ x 1 = 3....
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 Spring '10
 BRUNOMENDES
 Logic, Original cost, inductive conclusion, Mr. Cheney, average SAT score

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