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

  2.   In the triangle, sin A = ____.
   
    A. 5 B.
    C. D.
    Hint

  3.   Find the value of cos 62° to the nearest ten-thousandth.
    A. 1.8807 B. 0.8829
    C. 0.8988 D. 0.4695
    Hint

  4.   Find the value of x. Round to the nearest tenth.
   
    A. 78.8 B. 131.6
    C. 2.1 D. 20.3
    Hint

  5.   Write the equation of the sine function if the amplitude is 5 and the period is 360°.
    A. y = sin 5 B. y = - sin 5
    C. y = 5 sin D. y = -5 sin 5
    Hint

  6.   Solve.
   
    A. A = 16°, B = 164°
    B. A = 16°, B = 74°
    C. A = 17°, B = 73°
    D. A = 5°, B = 85°
    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 18° B. about 10°
    C. about 4° D. about 8°
    Hint

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

  9.   Find cos 420° by drawing a reference angle.
    A. B.
    C. 1 D.
    Hint

  10.   What is the length of one complete cycle of a function called?
    A. reference angle B. frequency
    C. amplitude D. period
    Hint



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