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kayser

  • 3 years ago

Which of the following represents a relation that is NOT a function? A. X -8 -4 6 11 Y 26 24 32 26 B. X 6 -4 11 -8 Y 26 24 32 26 C. X -8 -4 -8 4 Y 26 24 32 26 D. X -8 -4 -2 4 Y 26 24 32 26

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  1. whatevs
    • 3 years ago
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    I think its D

  2. whatevs
    • 3 years ago
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    it c

  3. whatevs
    • 3 years ago
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    It's C

  4. jim_thompson5910
    • 3 years ago
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    It's actually choice C -8 maps to both 26 and 32 at the same time

  5. kayser
    • 3 years ago
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    Aight thank you,

  6. ktklown
    • 3 years ago
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    Something is a function if you can always answer the question "For a given X, what's the value of Y"? (1, 2) (3, 2) --> What's the value if x=1? It's 2. What's the value if x=3? It's 2. Since you can always answer the question, it's a function. (1, 8) (1, 9) --> What's the value if x=1? You don't know. it could be either 8 or 9. Therefore it's not a function.

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