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Math Help - functions

  1. #1
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    functions

    The following question was a challenge was set:

    functions-12345.jpg

    Can someone please help me.
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  2. #2
    MHF Contributor chisigma's Avatar
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    A function between A and B assigns to each element of A one and only one element of B. If A has m elements and B n elements, we have that to each element of A we can assign any element of B. The number of possible functions is therefore N = n^ m

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