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Math Help - Functions

  1. #1
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    Functions

    Let A and B be finite sets and f: A --> B be a function.

    How many pairs does f consist of?

    Any advice...This should be easy but I just don't know how to go about it.
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  2. #2
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by jzellt View Post
    Let A and B be finite sets and f: A --> B be a function.

    How many pairs does f consist of?

    Any advice...This should be easy but I just don't know how to go about it.
    |A|
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