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brucebaner

  • one year ago

help me @arek

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  1. brucebaner
    • one year ago
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  2. brucebaner
    • one year ago
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    B?

  3. welshfella
    • one year ago
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    Hint: functions are either one-to-one or many-to-one NOT one- to- many so if you see 2 or more pairs in which the first number is the same and the second number is different then its one-to-many and not a function.

  4. anonymous
    • one year ago
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    do the vertical line test. you can't have 2 points with the same x coordinate

  5. welshfella
    • one year ago
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    no not B as you have (-2,3) and ( -2,1)

  6. brucebaner
    • one year ago
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    A?

  7. welshfella
    • one year ago
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    yes

  8. brucebaner
    • one year ago
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    thx can you help me with more?

  9. welshfella
    • one year ago
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    ok but i only have 10 minutes

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spraguer (Moderator)
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