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17 January, 17:43

Given the domain {-5, 0, 5}, what is the range for the relation 2x+y=1

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  1. 17 January, 19:06
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    The domain x ∈ {-5; 0; 5}

    the relation: 2x + y + = 1 → y = 1 - 2x

    Put the values of x from domain to the equation of the relation:

    for x = - 5 → y = 1 - 2 (-5) = 1 + 10 = 11for x = 0 → y = 1 - 2 (0) = 1 - 0 = 1for x = 5 → y = 1 - 2 (5) = 1 - 10 = - 9

    Answer: {-9; 1; 11}
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