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  1. How many onto (or surjective) functions are there from an n-element (n ≥ 2) set to a 2-element set?
    2. A.
    2n
    B.
    2n - 1
    C.
    2n - 2
    D.
    2(2n - 2)

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    Answer : Option C

    Explanation :

    -NA-

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