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anonymous

  • one year ago

Which set of ordered pairs represents a function? {(0, 1), (1, 3), (1, 5), (2, 8)} {(0, 0), (1, 2), (2, 6), (2, 8)} {(0, 0), (0, 2), (2, 0), (2, 4)} {(0, 2), (1, 4), (2, 6), (3, 6)}

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  1. anonymous
    • one year ago
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    the definition of a function is that there are x values that represent one image only one. so there can be different image values(y-values) having the same x value but not the other way around

  2. anonymous
    • one year ago
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    so would it be the first one

  3. anonymous
    • one year ago
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    i think the last one because it has unique x values for y

  4. anonymous
    • one year ago
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    ok so r u sure the last one

  5. anonymous
    • one year ago
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    yes draw it and you see it quite clear that there are unique x values because in the other ones it says not!

  6. anonymous
    • one year ago
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    can you help me with this one Look at the graph: A coordinate grid from negative 16 to positive 16 is drawn with both in increments of 2. A straight line passing through the points 0, 2 and negative 8, 2, and 8, 2 is drawn. What is the relationship between x and y? y and x stay constant y increases as x increases y decreases as x increases y stays constant as x increases

  7. anonymous
    • one year ago
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    i think it is the first one

  8. anonymous
    • one year ago
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    no because x= 1 gives y=3 and x=1 gives y= 5 that is no function

  9. anonymous
    • one year ago
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    ohhh ok do you think it is the last one

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