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9 December, 06:28

If the range is {6,4,2} in the function f (x) = 2x what is the domain

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  1. 9 December, 07:26
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    {3,2,1}

    Step-by-step explanation:

    Domain is the set of x-values

    Range is the set of y-values

    Also, domain means what you put into the function (input) and range is what we get (output).

    The output is given as {6,4,2} and asks for INPUT >>> What values we put into x that gives us 6, 4, and 2 ...

    Let's figure it out.

    f (x) = 2x

    6 = 2x

    x = 6/2 = 3

    f (x) = 2x

    4 = 2x

    x = 4/2 = 2

    f (x) = 2x

    2 = 2x

    x = 2/2 = 1

    So the domain would be {3,2,1}
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