1.   Simplify (18q3r)(2qr4).
    A. 36q3r5 B. 36q4r5
    C. 36q3r4 D. 36qr
    Hint
  2.   Solve logb 36 = 2
    A. -6 B. -6, 6
    C. 6 D. 18
    Hint
  3.   Solve log3 (x + 4) - log3 (x - 2) = 2 log3 2.
    A. 6 B. 4
    C. 9 D. 8
    Hint
  4.   Solve log5 ( x + 2) + log5 ( 2x - 1) = 2.
    A. no solution B.
    C. 3 D. , 3
    Hint
  5.   Solve 32x -1 = 25.6 to three decimal places.
    A. 0.739 B. 4.767
    C. 1.976 D. 1.204
    Hint
  6.  
    A. ±1.022 B. -2.266
    C. 1.648 D. 1.022
    Hint
  7.   Simplify
    A. B. 27x3ny6
    C. D.
    Hint
  8.   Suppose that the wealth of a business owner is increasing exponentially. In 1993, he had $40 million. In 2001, he had $55 million. How much money will he have in 2010?
    A. $78.7 million B. $28.0 million
    C. $20.3 million D. $57.2 million
    Hint
  9.   Solve log 5 (5x – 2) > log 5 (2x + 10).
    A. 0 < x < 4 B. x < 4
    C. x > 4 D. x > 625
    Hint
  10.   Evaluate ln e3 -4x.
    A. e3 – e4x B. 4x – 3
    C. 3 – 4x D. (3 – 4x)log 10 e
    Hint
  11.   Solve 3e-2x = 5.
    A. 0.26 B. 0.51
    C. –0.51 D. –0.26
    Hint
  12.   A Mickey Mantle rookie card appreciates in value 2% every year. If it is worth $35,000 in 2000, when will it be worth $100,000?
    A. 2043 B. 2065
    C. 2053 D. 2093
    Hint
  13.   Two cities have insect problems. The insects in City A increase exponentially according to the equation y = 120,000e0.04t. The insects in City B increase exponentially according to the equation y = 90,000e0.08t. When will the cities have an equal amount of insects?
    A. at t = 7.89 years B. at t = 34.66 years
    C. at t = 3 years D. at t = 7.19 years
    Hint
  14.   Solve.
    A. B.
    C. D.
    Hint