1.   What type of relationship or pattern does the scatter plot suggest?
   
    A. none of these B. a linear relationship whose data have a negative relationship
    C. a linear relationship whose data have a positive relationship D. no pattern
    Hint

  2.   Use a graphing calculator to find the equation of the regression line.
   
    A. y = x - 576 B. y = 2x - 25
    C. y = 12x - 23,947 D. y = 23x - 21,000
    Hint

  3.   A triangle ABC has vertices A(3, -1), B(4, -2), and C(7, 1). Find the coordinates of the dilated triangle for a scale factor of 3.
    A. A,/i>'(12, -6), B'(21, 3),
C'(-9, -3)
B. A'(9, -3), B'(12, -6),
C'(21, 3)
    C. A'(21, 3), B'(12, -6),
C'(-9, -3)
D. A'(-3, 9), B'(-6, 12),
C'(3, 21)
    Hint

  4.   Sketch the graph of the function f(x) = |x2 - 6|.
    A.
    B.
    C.
    D.
    Hint

  5.   Which is the graph of f(x) = x2 - 3 and its inverse?
    A. B.
    C. D.
    Hint

  6.   The function f(x) = 3x2 - x3 has critical points at x = 0 and x = 2. Determine whether each of these critical points is the location of a relative maximum, relative minimum, or a point of inflection.
    A. (0, 0) minimum and (2, 4) point of inflection B. (0, 0) minimum and (2, 4) maximum
    C. (0, 0) maximum and (2, 4) minimum D. None of these is correct.
    Hint

  7.   If A = 39° and b = 7.2, find c.
   
    A. about 9.3 units B. about 8.9 units
    C. about 11.4 units D. about 5.6 units
    Hint

  8.   Evaluate tan .
    A. B.
    C. - D. -
    Hint

  9.   Find the sum of and .
   
    A. B.
    C. D.
    Hint

  10.   A transformation in three-dimensional space is represented by . Which matrix represents this transformation?
    A. B.
    C. D.
    Hint

  11.   If M(5, -4) is the midpoint of and C has coordinates (9, -2), find the coordinates of D.
    A. (7, -3) B. (-6, 1)
    C. (-3, 7) D. (1, -6)
    Hint

  12.   Evaluate .
    A. 2048 B. 1024
    C. 256 D. 512
    Hint

  13.   Find the sum of the series .
    A. The sum does not exist. B.
    C. D.
    Hint

  14.   0!=_____?
    A. undefined B. 0
    C. 1 D.
    Hint

  15.   Find the domain of f(g(x)) given f(x) = , and g(x) = x-1
    A. all real numbers B. x1,-1
    C. x1 D. x0, 1, -1
    Hint

  16.   The function f(x) = - (x + 2)3 - 3 has a critical point at x = -2. Determine whether this is the location of a maximum, minimum or a point of inflection.
    A. maximum
    B. point of inflection
    C. extremum
    D. minimum
    Hint

  17.   Solve sec2 x = - 2 for -90° < x < 90°.
    A. B. 60°
    C. -60°, 60° D. -30°, 30°
    Hint

  18.   The point P with polar coordinates can also be represented in polar coordinates as __________.
    A. B.
    C. D.
    Hint

  19.   Express the complex number -9 4i in polar form.
    A.
    B.
    C.
    D.
    Hint

  20.   Solve 46x = 496.
    A. 0.7462 B. 0.6472
    C. 3.6413 D. 4.4771
    Hint