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jesseabney

  • 2 years ago

If A = {negative even integers} and B = {negative odd integers}, what is A U B? Answer {negative integers} { } {integers} {0}

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  1. jagatuba
    • 2 years ago
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    That would be the union of set A and set B wouldn't it?

  2. jesseabney
    • 2 years ago
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    yes

  3. jesseabney
    • 2 years ago
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    thats the question

  4. jagatuba
    • 2 years ago
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    Right but union in math really just means the same thing as it does in English 'to join'.

  5. jagatuba
    • 2 years ago
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    What do you get when you join A and B?

  6. jesseabney
    • 2 years ago
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    integers

  7. jagatuba
    • 2 years ago
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    what kind of integers?

  8. jesseabney
    • 2 years ago
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    positive

  9. jagatuba
    • 2 years ago
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    Why positive?

  10. jesseabney
    • 2 years ago
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    - and - = +

  11. jagatuba
    • 2 years ago
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    This true if you are multiplying. IS that what is being done?

  12. jesseabney
    • 2 years ago
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    i quit lol

  13. jagatuba
    • 2 years ago
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    No don't quit

  14. jagatuba
    • 2 years ago
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    YOu almost got it

  15. jagatuba
    • 2 years ago
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    Think of it like this A U B is like saying A joined with B. If A was a set of red marbles and B was a set of blue marbles what would the set of A U B consist of?

  16. jesseabney
    • 2 years ago
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    blue and red

  17. jagatuba
    • 2 years ago
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    Correct. Joining them does not change their form to purple or something. We still have red and blue marbles. So apply that to a small set of numbers A={1,3,5} and B={2,4,6}. Now what is A U B?

  18. jesseabney
    • 2 years ago
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    123456

  19. jagatuba
    • 2 years ago
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    Right now expand that to a larger set A={all even numbers} and B={all odd numbers}. Now what is A U B?

  20. jesseabney
    • 2 years ago
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    123456789 ...ect.

  21. jagatuba
    • 2 years ago
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    Right or {all numbers}. Now just apply the appropriate terminaology (i.e. that used in your question), and you have your answer.

  22. jagatuba
    • 2 years ago
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    If A={negative even integers} and B={negative odd integers} what does A U B contain?

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