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davisgurl101

  • 3 years ago

Which of the following does not represent a function? x −12 −5 11 14 17 y −5 −2 −2 8 34 x −10 1 3 8 10 y −2 2 7 8 10 x 5 10 10 12 18 y 1 4 22 5 4 x 4 5 6 8 10 y 4 −4 12 −8 6

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  1. fredrickV
    • 3 years ago
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    a function, or mapping from x to y, must have unique x's

  2. davisgurl101
    • 3 years ago
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    i dont under stand

  3. fredrickV
    • 3 years ago
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    "Unique" means no repeats

  4. hoblos
    • 3 years ago
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    in a function.. for every value of x there must be a unique value of y so if for the same value of x we have 2 or more values of y it is not a function so here in the third choice we have two y-values for x=10.. so it is not a function

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