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anonymous

  • one year ago

How can you determine whether a relation is a function?

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  1. Nnesha
    • one year ago
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    if x values repeats then relation isn't a function

  2. Nnesha
    • one year ago
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    for graph draw a vertical line if the graph of the equation intersect the vertical line at `two` points then relation isn't a function

  3. Nnesha
    • one year ago
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    \[\rm (\color{ReD}{2},3)(4,5)(\color{ReD}{2},4)(9,3)\] example ^^ not a function x values r repeated which is 2

  4. Nnesha
    • one year ago
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    (x,y) first number represent x-coordinate 2nd one is y-coordinate (we don't care abt y-coordinate it's okay if y values are repeating in the relation )

  5. anonymous
    • one year ago
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    thanks

  6. Nnesha
    • one year ago
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    np :=)

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