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nunncm

  • one year ago

The domain of the following relation: R: {(6, −2), (1, 2), (−3, −4), (−3, 2)} is {−3, −3, 1, 6} {−4, −2, 2, 2} {−4, −2, 2} {−3, 1, 6}

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  1. hartnn
    • one year ago
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    do you know what a domain is ?

  2. nunncm
    • one year ago
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    noo

  3. hartnn
    • one year ago
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    a domain is just a set of input values! (or x co-ordinates) like input value of (10,20) is just 10 so, what is input value of (6,-2) ?

  4. nunncm
    • one year ago
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    umm 6? aha

  5. hartnn
    • one year ago
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    correct!

  6. hartnn
    • one year ago
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    what about others ?? (1, 2), (−3, −4), (−3, 2)

  7. nunncm
    • one year ago
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    um ugh idkk

  8. hartnn
    • one year ago
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    for (1,2) what is x co-ordinate ?

  9. nunncm
    • one year ago
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    idk how to do any of this that's why im asking..

  10. hartnn
    • one year ago
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    |dw:1372849650433:dw| so now, what is x- co-ordinate of (1,2) ?

  11. nunncm
    • one year ago
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    1

  12. hartnn
    • one year ago
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    right! what about (-3,-4) ?

  13. nunncm
    • one year ago
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    -3

  14. hartnn
    • one year ago
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    correct! lastly input value or x co-ordinate of (-3,-2) ?

  15. hartnn
    • one year ago
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    we are very close to the answer! just collect all input values (x co-ordinates) and put it in a set, thats it!

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