The domain of a relation is all even negative integers greater than -9. The range y of the relation

Discussion in 'Calculator Requests' started by math_celebrity, Aug 29, 2016.

  1. math_celebrity

    math_celebrity Administrator Staff Member

    The domain of a relation is all even negative integers greater than -9. The range y of the relation is the set formed by adding 4 to the numbers in the domain. Write the relation as a table of values and as an equation.

    The domain is even negative integers greater than -9:

    {-8, -6, -4, -2}

    Add 4 to each x for the range:

    {-8 + 4 = -4, -6 + 4 = -2. -4 + 4 = 0, -2 + 4 = 2}

    For ordered pairs, we have:
    (-8, -4)
    (-6, -2)
    (-4, 0)
    (-2, 2)

    The equation can be written:
    y = x + 4 on the domain (x | x is an even number where -8 <= x <= -2)
     

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