1.   Describe the graph.
   
    A. neither a relation nor a function B. relation and function
    C. not a relation but a function D. relation but not function
    Hint

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

  3.   State the domain of (x) for f(x) = and g(x) =
    A. B.
    C. D.
    Hint

  4.   Find the x- and y-intercepts for 3x + 4y - 12 = 0.
    A. (-4, 0) and (0, -3) B. (0, 4) and (3, 0)
    C. (0, 3) and (4, 0) D. (-3, 0) and (0, -4)
    Hint

  5.   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. 47.5 or about 48 people per year B. 475 people per year
    C. 4750 people per year D. 47,500 people per year
    Hint

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

  7.   Write an equation in slope-intercept form for the line with a slope
of and a y-intercept of -3.
    A. y = x + 3 B. y = x + 3
    C. y = x - 3 D. y = x - 3
    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 + 2 B. y = -3x + 4
    C. y = -3x - 8 D. y = -3x + 14
    Hint

  9.   Determine whether the graphs of the pair of equations
3x - 2y = 7 and 3x + 2y = 7
are parallel, coinciding, or neither.
    A. neither B. parallel
    C. all are correct D. coinciding
    Hint

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

  11.   Determine two points that appear to represent the data in the scatter plot. Then find and interpret the slope.
   
    A. Mary improved her free throw performance from year-to-year by an average of about 20% B. Mary improved her free throw performance from year-to-year by an average of about 25%.
    C. Mary improved her free throw performance from year-to-year by an average of about 15% D. Mary improved her free throw performance from year-to-year by an average of about 10%.
    Hint

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

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

  14.   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 {-1,4,5,6}Range {-2,2,3} The relation is not a function.
    B. Domain {-2,2,3} Range {-1,4,5,6} The relation is a function.
    C. Domain {-2,2,3} Range {-1,4,5,6}The relation is not a function.
    D. Domain {-1,4,5,6}Range {-2,2,3}The relation is a function.
    Hint

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

  16.   Write an equation of the line that passes through the points (-2, 4) and (6, -4).
    A. B.
    C. D.
    Hint

  17.   Write a linear equation to represent the cost y of a long distance calling plan that charges $5.99 plus $0.07 per minute for x number of minutes.
    A. y = x - 5.99 B. y = 5.99x + 0.07
    C. y = 0.07x + 5.99 D. y = x + 5.99
    Hint

  18.   Determine two points that appear to represent the data in the scatter plot. Then find and interpret the slope.
   
    A. Paul's test scores are neither increasing nor decreasing.
    B. Paul's test scores improve an average of 5 points with each test.
    C. Paul's test scores improve an average of 15 points with each test.
    D. Paul's test scores improve an average of 3 points with each test.
    Hint

  19.   Which is the graph of the compound inequality 0 x + y 4?
    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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