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corey1234

  • one year ago

Can the codomain of a function not include image points that are in the range. For instance, f: R---> [0,Infinity) where f(x)==x. See the codomain is only from 0 to infinity, but the range can include -1 for example and other negative numbers. So I guess this means the range is bigger than the codomain. Can that ever happen? If so, why can it happen??????

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  1. Jemurray3
    • one year ago
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    No. The range of a function is a subset of its codomain.

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