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pbking101

  • 3 years ago

Is the following relation a function? x y 1 −2 1 −3 2 1 3 −2 Yes No

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  1. ParthKohli
    • 3 years ago
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    \[\textbf{HINT}\]In a function, there is only one \(y\) for any \(x\).

  2. pbking101
    • 3 years ago
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    im lost

  3. ParthKohli
    • 3 years ago
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    Example: \(\{(1,2),(1,9),(9,2)\}\) is not a function because here, \(1\) has two \(y\)'s: \(2\) and \(9\).

  4. pbking101
    • 3 years ago
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    so it would be yes for my question correct?

  5. angela210793
    • 3 years ago
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    that means that one X corresponds to only one Y|dw:1356625148963:dw||dw:1356625205105:dw|

  6. pbking101
    • 3 years ago
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    so is it yes or no

  7. angela210793
    • 3 years ago
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    Do u have any x which gives two different y-s???

  8. pbking101
    • 3 years ago
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    idk

  9. angela210793
    • 3 years ago
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    Look at this X -Y 1 −2 1 −3 2 -1 3 −2

  10. pbking101
    • 3 years ago
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    so it would be yes

  11. angela210793
    • 3 years ago
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    no it is not a function cause x=1 has y=3 and y=3...which can't be

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