1.   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. $2.50-$4.50 B. $2.25-$2.50
    C. $2.00-$4.00 D. $3.00-$4.50
    Hint

  2.   Find the value of n to the nearest degree.
   
    A. 53° B. 45°
    C. 90° D. 37°
    Hint

  3.   Determine the exact value of sin 150°.
    A. B.
    C. D.
    Hint

  4.   If is an angle in standard position whose terminal side lies in quadrant III and find the exact value of the tan .
    A. B.
    C. D.
    Hint

  5.   Write an equation of the function whose graph is shown.
   
    A. y = sin 4 B. y = 4 sin
    C. y = 2 sin D. y = 2 sin
    Hint

  6.   In baseball, a pop fly should be easily caught if it stays in the air for 7 seconds. Suppose a ball that is hit can be represented by the function y = 16t2 + 125t + 5, where y is the height after t seconds. Will the ball be considered an easy catch?
    A. yes, because t > 7 B. yes, because t < 7
    C. no, because t < 7 D. no, because t > 7
    Hint

  7.   A long ramp that leads to a building entrance is 45 feet. The stairs to the entrance have a vertical height of 6 feet. What is the angle of incline of the ramp?
    A. about 10° B. about 4°
    C. about 8° D. about 18°
    Hint

  8.   What is the reference angle of 240°?
    A. 60° B. 120°
    C. 120° D. 60°
    Hint

  9.   Find sin 315° by drawing a reference angle.
    A. 1 B.
    C. D.
    Hint

  10.   What is the period for the graph
    A. 180° B. 45°
    C. 720° D. 360°
    Hint



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