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Quoc Tran Anh Le Coordinator

29/07/2018 at 04:41
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The domain of f (x) = x2 − 3 is {−4, −3, ..., 3, 4}. How many integers are in both the range and the domain of f ?


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    Tôn Thất Khắc Trịnh 31/07/2018 at 08:51

    We have the domain of f(x), time to replace all of these values into the variables...
    After a while of repetition, we will get the range of f(x) is {-3;-2;1;6;13}
    So the intersection of these two sets is {-3;-2;1}

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