What is the range of the function f(x) = 4x + 9, given the domain D = {-4, -2, 0, 2}? please help

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What is the range of the function f(x) = 4x + 9, given the domain D = {-4, -2, 0, 2}? please help

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    2021-09-09T20:42:15+00:00

    Since this is a linear function, filling in the minimum and maximum of the domain is sufficient.

    f(-4) = -16 + 9 = -7
    f(2)= 8 + 9 = 17

    So the range of the function (given the domain) :
    R = {-7, 17}

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