1.   State the domain and range of the relation.
   
    A. All real numbers are included in the domain and the range. B. All real numbers are included in the domain, and 3 is included in the range.
    C. 3 is included in the domain, and all real numbers are included in the range. D. 3 is included in the domain, and 3 is included in the range.
    Hint

  2.   State the domain and the range of the relation {(1, 2), (-4, 2), and
(3, 5)}. Then state whether the relation is a function.
    A. The domain is {2, 5}, the range is {-4, 1, 3}, and the relation is not a function. B. The domain is {2, 5}, the range is {-4, 1, 3}, and the relation is a function.
    C. The domain is {-4, 1, 3},
the range is {2, 5}, and the relation is a function.
D. The domain is {-4, 1, 3}, the range is {2, 5}, and the relation is not a function.
    Hint

  3.   Given f(x) = 3x + 2x - 2 and g(x) = 4x + 1, find
    A. B. 3x2 - 2x - 3
    C. 3x2 + 6x - 1 D.
    Hint

  4.   The revenue for the sale of x objects is r(x) = 8x. The cost of manufacturing x objects is c(x) = 0.5x + 300. Write the profit function.
    A. 7.5x - 300 B. 8.5x - 300
    C. 7.5x + 300 D. 8.5x + 300
    Hint

  5.   Find (x) if f(x) = 3x2 + 1 and g(x) = 2x + 3.
    A. 12x2 - 36x + 28 B. 6x2 - 5
    C. 6x2 + 5 D. 12x2 + 36x + 28
    Hint

  6.   Find the first three iterates, x1, x2, and x3, of the function
f(x) = 3x - 1 for an initial value x0=1.
    A. 2, 5, 14 B. -4, -13, -40
    C. 8, 23, 88 D. 5, 14, 41
    Hint

  7.   Find the zero of the function f(x) = -8x + 4.
    A. 2 B.
    C. -2 D.
    Hint

  8.   Write an equation in slope-intercept form for the line with a slope -3 and passes through the point (4, 2).
    A. y = -3x - 8 B. y = -3x + 14
    C. y = -3x + 2 D. y = -3x + 4
    Hint

  9.   Find a linear equation that can model the data shown in the graph.
   
    A. 2x + 3y + 6 = 0 B. 3x - 2y + 6 = 0
    C. 2x -3y + 6 = 0 D. 2x + 5y - 3 = 0
    Hint

  10.   Write the standard form of the equation of the line that passes through the point (-4, -2) and is perpendicular to the graph of 3x - 2y + 9 = 0.
    A. 2x> + 3y - 14 = 0 B. 2x + 3y + 14 = 0
    C. 3x - 2y + 14 = 0 D. 3x - 2y - 14 = 0
    Hint

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

  12.   Which is the graph of

?

    A. B.
    C. D.
    Hint

  13.   Which is the graph of the inequality x > -2?
    A. B.
    C. D.
    Hint

  14.   Which is the graph of the inequality x + 2y - 2 0?
    A. B.
    C. D.
    Hint

  15.   State the domain and range of the relation. Then state whether the relation is a function.{(2,-1), (-2,4), (2,5), (3,6)}
    A. Domain {-2,2,3} Range {-1,4,5,6}The relation is not a function.
    B. Domain {-2,2,3} Range {-1,4,5,6} The relation is a function.
    C. Domain {-1,4,5,6}Range {-2,2,3}The relation is a function.
    D. Domain {-1,4,5,6}Range {-2,2,3} The relation is not a function.
    Hint

  16.   Find the first three iterates of the function g(x) = x2 + x for an initial value of x0 = 1.
    A. = 2
= 6
= 42

B. = 2
= 6
= 12

    C. = 2
= 6
= 36

D. = 0
= 2
= 4

    Hint

  17.   Determine whether 3x - 5y + 1 = 0 and 6x - 10y + 2 = 0 are parallel, coinciding, or neither.
    A. parallel B. coinciding
    C. perpendicular D. all are correct
    Hint

  18.   Graph the data on a scatter plot.
   
    A. B.
    C. D.
    Hint

  19.   A bank charges a $10 fee if the account balance is less than $200. If the balance is in between $200 and $500 there is a $5 fee. If at least $500 is in the account, there is no fee.Graph the fee schedule for different account balances.
    A. B.
    C. D.
    Hint

  20.   Which is the graph of the inequality y > |2x + 1| ?
    A. B.
    C. D.
    Hint



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