1.   Solve 2m2 - 3m -2 0.
    A.
    B.
    C.
    D.
    Hint

  2.   Stan the Hot Dog Man sells 100 hot dogs per day for $2 each, so his daily revenue is $200. He estimates that for every 25 cents he increases the price of a hot dog, he will sell 5 fewer. What range of prices can he charge so that his daily revenue is at least $225?
    A. $2.00-$4.00 B. $3.00-$4.50
    C. $2.50-$4.50 D. $2.25-$2.50
    Hint

  3.   When is it true that x2 + x > –2?
    A. B.
    C. D. all real numbers
    Hint

  4.   When is it true that ?
    A. B.
    C. -1 D. all real numbers
    Hint

  5.   Solve by graphing.
    A. {x| –1.19 < x < 4.19}
    B. {x| 0 < x < 4.19}
    C. {x| 4.19< x < –1.19}
    D. {x| –1.19 < x < 0}
    Hint



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