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jollysailorbold

  • one year ago

What is the solution set of {x | x < -3} ∩ {x | x > 5}? -all numbers except -3 and 5 -the numbers between -3 and 5 -the empty set -all real numbers it's "the numbers between -3 and 5" right?

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  1. jollysailorbold
    • one year ago
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    wait i mean all numbers except -3 and 5

  2. hartnn
    • one year ago
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    no, x< -3 means numbers like -4,-5,-6,..... x>5 meanss 6,7,8,9.... do you see any intersection ? common elements ?

  3. jollysailorbold
    • one year ago
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    it's all numbers except -3 and 5, i read it wrong, sorry :)

  4. hartnn
    • one year ago
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    first tell me are there any common elements ? and thats incorrect.... ∩ = intersection = common elements.

  5. jollysailorbold
    • one year ago
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    aw, i thought i was getting the hang of it.

  6. hartnn
    • one year ago
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    |dw:1358422502288:dw|

  7. jollysailorbold
    • one year ago
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    empty set, then?

  8. hartnn
    • one year ago
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    yes!

  9. jollysailorbold
    • one year ago
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    haha, thanks once again:)

  10. hartnn
    • one year ago
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    welcome ^_^

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