1.   The population of Abnerville was 12,500 people in 1950. In 2000, the population was 250,000. Find the average rate of increase in the population over the 50 year period.
    A. 475 people per year B. 4750 people per year
    C. 47.5 or about 48 people per year D. 47,500 people per year
    Hint

  2.   Graph the equation y =
    A. B.
    C. D.
    Hint

  3.   Which is the best prediction equation for the data?
   
    A. y = 10x - 19,950 B. y = 25x - 19,950
    C. y = 20x - 19,950 D. y = 5x - 19,950
    Hint

  4.   The cost of producing an item is $5 per item plus an initial cost of $2000. The selling price is $10 per item. Find the break-even point.
    A. 400 items B. 4500 items
    C. 450 items D. 4000 items
    Hint

  5.   Find the value of .
    A. -3 B. 17
    C. 3 D. -17
    Hint

  6.   Which of the following shows the system of equations using a matrix equation?
   
    A. B.
    C. D.
    Hint

  7.   Find the maximum value of f(x, y) = 2x + y - 2 for the polygonal convex set determined by the system of inequalities.
   
    A.      6 B.      18
    C.      12 D.      14
    Hint

  8.   Determine whether the given critical point of x = -7 is the location of a relative maximum, relative minimum, or a point of inflection for the function f(x) = x3 + x2 + 1.
    A. maximum B. none is correct
    C. point of inflection D. minimum
    Hint

  9.   Determine the asymptotes for the graph of f(x) = .
    A. none of these B. a vertical asymptote at x = -3 and a horizontal asymptote at y = 1
    C. a vertical asymptote at x = 3 and a horizontal asymptote at y = 2 D. a horizontal asymptote at
x = 3 and a vertical asymptote at y = 2
    Hint

  10.   State the number of complex roots of the equation x4 - 3x2 - 4 = 0.
    A. 1 B. 2
    C. 3 D. 4
    Hint

  11.   List the possible rational roots of 3x3 + 5x2 - 2x + 1 = 0.
    A. 1, B. ,
    C. 1, D. ,
    Hint

  12.   Approximate the real zeros of the function f(x) = 2x2 + 4x + 1 to the nearest tenth.
    A. -1.7 and -0.3 B. -1.8 and -0.4
    C. -1.6 and -0.2 D. -1.8 and -0.2
    Hint

  13.   Use the unit circle to find sec (-180°).
    A. 0 B. -1
    C. undefined D. 1
    Hint

  14.   The angle of elevation of a ladder leaning against a wall is 62°. The ladder is 40 feet long. How far is the base of the ladder from the wall?
    A. about 18.78 ft B. about 75.23 ft
    C. about 35.32 ft D. about 85.20 ft
    Hint

  15.   Solve the equation cos x = .
    A. x equals 150°, 210° or any angle
coterminal with these angles.
    B. x equals 30°, 330° or any angle
coterminal with these angles.
    C. x equals 60°, 300° or any angle
coterminal with these angles.
    D. x equals 120°, 240° or any angle
coterminal with these angles.
    Hint

  16.   Find the area of if a = 5, b = 8, and c = 10.
    A. about 39.6 square units B. about 15.2 square units
    C. about 19.8 square units D. about 7.6 square units
    Hint

  17.   Find f(2b2) for f(x) = x2 – 4x
    A. -4b2 B. 4b2 - 8b8
    C. 2b4 - 8b2 D. 4b4 - 8b2
    Hint

  18.   Write the equation of the line perpendicular to 5y + 3x - 10 = 0 and that passes through the point (3,1).
    A. 5x + 3y - 12 = 0 B. 5x - 3y - 12 = 0
    C. 3x + 5y - 50 = 0 D. 5x - 3y - 4 = 0
    Hint

  19.   Solve |3x + 5| - 4 < 2.
    A. B.
    C. D.
    Hint

  20.   If y varies jointly as x and the cube root of z,
and y = 30 when x = -5
and z = 27, find y when z = -8 and x = 0.5.
    A. y = 2 B. y = 4
    C. y = -2 D. y = 20
    Hint



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