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amishjeb

  • 2 years ago

Was hoping someone could tell me or point me to a resource that could tell me about the image of a function. I've read and reread the definition in my book, but it's just not getting through at this time.

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  1. wio
    • 2 years ago
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    http://www.proofwiki.org/wiki/Definition:Image/Mapping/Mapping

  2. wio
    • 2 years ago
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    If there is an input \(x\) such that \(f(x)=y\), then \(y\) is in the image of \(f\). The image is all possible \(y\) when putting in every possible \(x\).

  3. wio
    • 2 years ago
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    The image is always a subset of the co-domain. It's sort of like the range, however "range" is an ambiguous term which can mean the image or the co-domain.

  4. rsadhvika
    • 2 years ago
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    image is all the values a function can spit out

  5. rsadhvika
    • 2 years ago
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    \(y = x^2\) take above function, can -2478457485 be in its image ?

  6. amishjeb
    • 2 years ago
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    Thanks for the help guys. Appreciate it.

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