1.   The graph |y| = 4 - |2x| is symmetric with respect to __________.
    A. both the x-axis and
the y-axis
B. neither the x-axis nor
the y-axis
    C. the x-axis D. the y-axis
    Hint

  2.   If you use the parent graph f(x) = [[x]], describe how you would graph
g(x) = 3[[x]].
    A. The vertical distance between the steps for g(x) is 1/3 unit. B. There would be no difference between f(x) = [[x]] and
g(x) = 3[[x]].
    C. The vertical distance between the steps for g(x) is 3 units. D. None of these is correct.
    Hint

  3.   Which is the graph of y x3 + 1?
    A. B.
    C. D.
    Hint

  4.   Which is the graph of f(x) = |x| - 4 and its inverse?
    A. B.
    C. D.
    Hint

  5.   A family has a monthly net pay N which is 70% of their gross monthly pay G. They decided to subtract their monthly food allowance of $350 from their monthly net pay and invest 5% of the remainder. Write an equation for the investment each month I, given the above restrictions.
    A. I = 0.95(0.3G - 350) B. I = 0.95(0.7G - 350)
    C. I = 0.05(0.7G - 350) D. I = 0.05(0.3G - 350)
    Hint

  6.   When is the function f(x) =
continuous at x = 2?
    A. always B. never
    C. not enough information is given D. sometimes
    Hint

  7.   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. minimum B. point of inflection
    C. maximum D. none is correct
    Hint

  8.   Use a graphing calculator to graph g(x) = x3 - x + 1 and to determine and classify its extrema.
    A. relative maximum:
(1.38, -0.6);
relative minimum
(0.6, 0.62)
B. relative minimum:
(-0.6, 1.38);
relative maximum:
(0.6, 0.62)
    C. relative minimum:
(1.38, -0.6);
relative maximum:
(0.6, 0.62)
D. relative maximum:
(-0.6, 1.38);
relative minimum:
(0.6, 0.62)
    Hint

  9.   Determine the slant asymptote for f(x) = .
    A. y = 3x + 2 B. y = 2x + 3
    C. y = -2x +3 D. y = 3x - 2
    Hint

  10.   If y varies directly as the cube of x and y = 30 when x = 2, find x when
y = 468.75.
    A. 9 B. 3
    C. 7 D. 5
    Hint

  11.   Suppose y varies directly as x and y = 13 when x = 7. Find the constant of variation and write an equation.
    A. k = and y = x B. k = and y = 13 · 7x
    C. k = and y = x D. k = and y = 13 · 7x
    Hint

  12.   Which is an odd function?
    A. B.
    C. D.
    Hint

  13.   If you use the parent graph as a reference, describe how you would graph .
    A. Compress vertically by a factor of , then move 4 units down. B. Compress horizontally by a factor of , then move 4 units down.
    C. Expand horizontally by a factor of , then move 4 units down. D. Expand vertically by a factor of 3, then move 4 units down.
    Hint

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

  15.   Determine the type of discontinuity this function exhibits.
    A. jump discontinuity B. none of these
    C. point discontinuity D. infinite discontinuity
    Hint

  16.   Determine the equation of the vertical asymptote for the function:
f(x) = + 2.
    A. x = -2 B. x = 0
    C. y = 0 D. x = 2
    Hint



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