How Can I Resolve My Confusion with a Tough Question?

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SUMMARY

The discussion centers around resolving confusion regarding a mathematical function, specifically the function f(x) = x^2. The user seeks to identify sets A and F such that f(A/F) does not equal f(A)/f(F). This highlights the importance of understanding the properties of functions, particularly non-injective functions, in set theory and mathematical analysis.

PREREQUISITES
  • Understanding of functions and their properties, particularly non-injective functions.
  • Basic knowledge of set theory, including operations on sets.
  • Familiarity with mathematical notation and terminology.
  • Concept of image and pre-image in the context of functions.
NEXT STEPS
  • Study the properties of non-injective functions in detail.
  • Learn about set operations and their implications in function mapping.
  • Explore examples of functions and their images to solidify understanding.
  • Investigate the concept of equivalence classes in set theory.
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Students of mathematics, educators teaching set theory and functions, and anyone looking to deepen their understanding of mathematical functions and their properties.

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I am really confused:confused: with this question =|
Any help is greatly appreciated! Thanks!:smile:




http://answerboard.cramster.com/other-topic-5-311862-0.aspx"
 
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Pick a concrete example of a function (hint: you'll need on that is not 1-1). How about f(x)=x^2? Can you suggest sets A and F where f(A/F) is not equal to f(A)/f(F)?
 
Thanks!

Thank you to the infinite power for the help!
 

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