Algebra

Find the domain and range of the relation and state whether or not it is a function. {(1,3) (2,3)(3,3) (4,3)}

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  1. domain 1,2,3,4
    range 3

    yes, it is a function. For each x, there is a single y. If you had added the point 4,-3, not a function because for x=4, y can be -3,or3.

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