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Functions

Quiz by Sarah Day

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10 questions
Show answers
  • Q1
    Identify the domain of the relation: {(-4, 8), (-2, 5), (0, 2), (2, -1), (4, -4)}
    {-4, -2, 0, 2, 4}
    [-4, 4]
    {(-4, 8), (-2, 5), (0, 2), (2, -1), (4, -4)}
    {-4, -1, 2, 5, 8}
    30s
  • Q2
    The range of a function represents all of the __ values of the function.
    real
    y
    infinity
    x
    30s
  • Q3
    When comparing two tables of values you notice that the tables are the same except the y-values in table #2 are 3 times as much as the y-values in table #1. What transformation occurred?
    horizontal stretch
    vertical stretch
    vertical translation
    vertical compression
    30s
  • Q4
    How can you determine whether a relation is a function when looking at a set of ordered pairs?
    look to see that each y-value has only one x-value
    you cannot tell if a relation is a function with only ordered pairs
    look to see that each x-value has only one y-value
    use the vertical line test
    30s
  • Q5
    How can you determine whether a relation is a function when looking at a graph?
    draw a vertical line on the graph to make sure each y-value has only one x-value
    none of these
    draw a vertical line on the graph to make sure each x-value has only one y-value
    you cannot determine whether a relation is a function by looking at the graph
    30s
  • Q6
    When comparing two tables of values you notice that the tables are the same except all the x-values in table #2 have the opposite sign as the x-values in table #1. What transformation occurred?
    reflection across the y-axis
    horizontal translation
    reflection across the x-axis
    horizontal stretch
    30s
  • Q7
    Which function family has a graph that is V-shaped?
    Linear
    Quadratic
    Absolute Value
    Exponential
    30s
  • Q8
    Which function family has a graph that is U-shaped?
    Absolute Value
    Exponential
    Quadratic
    Linear
    30s
  • Q9
    30s
  • Q10
    30s

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