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8 September, 19:44

If the range of the function f (x) = x/4 is {28, 30, 32, 34, 36}, what is its domain?

{112, 120, 128, 136, 144}

{118, 122, 124, 132, 145}

{110, 118, 122, 124, 137}

{111, 124, 128, 132, 146}

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  1. 8 September, 20:35
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    The range is the y-coordinate while the domain is the x-coordinate

    y = x/4

    x = 4y

    domain = {4 (28), 4 (30), 4 (32), 4 (34), 4 (36) }

    = {112, 120, 128, 136, 144}
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