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    Question

    Which of the following is a boolean

    function?
    A f(x) = x^2 Correct Answer Incorrect Answer
    B f(x) = 2x + 1 Correct Answer Incorrect Answer
    C f(x) = NOT(x) Correct Answer Incorrect Answer
    D f(x) = sin(x) Correct Answer Incorrect Answer

    Solution

    f(x) = NOT(x)

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