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anonymous

  • one year ago

Determine which relation is a function. A. {(–5, 1), (–5, 0), (–2, 1), (–1, 4), (6, 2)} B. {(–5, 1), (–2, 0), (–2, 2), (3, 4), (6, 2)} C. {(–5, 1), (–2, 0), (–1, 1), (2, 4), (6, 3)} D. {(–5, 3), (–2, 0), (–1, 2), (6, 4), (6, 3)}

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  1. UsukiDoll
    • one year ago
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    we don't have a function if our x contains repeating numbers

  2. anonymous
    • one year ago
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    so do you get the question or not.

  3. UsukiDoll
    • one year ago
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    yes I do.. but I'm here to guide you through the process of answering this question. I can't give direct answers because it's against OpenStudy's Code of Conduct.

  4. anonymous
    • one year ago
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    ok

  5. UsukiDoll
    • one year ago
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    so let's grab one of the choices and draw a chart version

  6. UsukiDoll
    • one year ago
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    |dw:1435925354834:dw| do you see any repeating numbers in this chart?

  7. anonymous
    • one year ago
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    1

  8. UsukiDoll
    • one year ago
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    looking at the x-values, we notice that there is a repeat, so it can't be a function.

  9. UsukiDoll
    • one year ago
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    |dw:1435925483020:dw|

  10. anonymous
    • one year ago
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    your right so it cant be A.

  11. UsukiDoll
    • one year ago
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    ok... next choice |dw:1435925530800:dw|

  12. UsukiDoll
    • one year ago
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    are there any repeating numbers?

  13. anonymous
    • one year ago
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    cant be same numbers in x.

  14. UsukiDoll
    • one year ago
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    correct.. so what is the repeating number?

  15. anonymous
    • one year ago
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    2

  16. Jack1
    • one year ago
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    mate, just word to the wise: comments like "so do you get the question or not" is a good way to get people to not wanna assist u hey... jus sayin' @speartonion

  17. UsukiDoll
    • one year ago
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    ok that's fine.. it's actually -2.. but it's still partially correct.

  18. anonymous
    • one year ago
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    sorry

  19. UsukiDoll
    • one year ago
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    |dw:1435925676417:dw|

  20. UsukiDoll
    • one year ago
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    well I forgive you :) Now next choice. ...

  21. anonymous
    • one year ago
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    its c

  22. UsukiDoll
    • one year ago
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    |dw:1435925712679:dw|

  23. UsukiDoll
    • one year ago
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    yup... due to unique numbers and no repeats we have our function .

  24. anonymous
    • one year ago
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    thanks for your help.

  25. UsukiDoll
    • one year ago
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    you're welcome :)

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