Is this a function? {(-1,3); (0,1); (-1,4); (2,3)}

Question

Is this a function?
{(-1,3); (0,1); (-1,4); (2,3)}

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Vodka 4 years 2021-08-10T20:55:04+00:00 1 Answers 15 views 0

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  1. Verity
    0
    2021-08-10T20:56:20+00:00
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    No there are two of the same X value

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )