159E3-F2010

159E3-F2010 - MA 15900 EXAM 3 FALL 2010 37 1. Find the...

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MA 15900 EXAM 3 FALL 2010 1 1. Find the exact degree measure of the angle 37 π 15 . 1) 1395 ° 2) 444 ° 3) 264 ° 4) 141 ° 5) 84 ° 6) 42 ° 7) 27 ° 8) 1 ° 9) None of the above 2. Approximate the number to 1 decimal place. log 3 40 1) 0.3 2) 0.8 3) 1.2 4) 2.8 5) 3.4 6) 3.7 7) 13.3 8) 36.4 9) None of the above 3. The population of a city has been increasing continuously at rate of 1.39% per year. The current population is 62,000. Assume this growth rate will continue indefinitely. Approximate how much time (in years) must pass before the population is 100,000. Round your answer to the nearest tenth of a year. 1) 34.0 years 2) 34.1 years 3) 34.2 years 4) 34.3 years 5) 34.4 years 6) 34.5 years 7) 34.6 years 8) 34.8 years 9) None of the above
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MA 15900 EXAM 3 FALL 2010 2 4. Solve the following equation for x . log b ( x a ) = c 1) x = c + a 2) x = c a 3) x = c + ab b 4) x = c ab b 5) x = b c + a 6) x = b c a 7) x = c b + a 8) x = c b a 9) None of the above 5. Which of the following are true of the function f ( x ) = 5 x + 3 ? I. f has a x - intercept at (5,0) II. The range of the function is ( −∞ ,0) (0, ) III. The graph of f is increasing on the interval ( −∞ , 3) 1) I 2) II 3) III 4) I and II 5) I and III 6) II and III 7) I, II, and III 8) Cannot be determined 9) None of the above
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MA 15900 EXAM 3 FALL 2010 3 6. Evaluate the expression and approximate your answer to 4 decimal places.
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159E3-F2010 - MA 15900 EXAM 3 FALL 2010 37 1. Find the...

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