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  • 4 years ago

Do the ordered pairs below represent a relation, a function, both a relation and a function, or neither a relation nor a function? (-1,-7) , (1,-7) , (-1,-7) , (9,-7) A. relation only B. both a relation and a function C. function only D. neither a relation nor a function

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  1. Mertsj
    • 4 years ago
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    Remember that a relation is a set of ordered pairs. So it is definitely a relation. A function is a set of ordered pairs in which no two ordered pairs have the same first number. Now in this example, they tried to trick you because they listed one ordered ;pair twice. So it is just one member of the function. And yes, it is a function. If you take out the duplicate, none of the ordered pairs have the same first number so it is both a relation and a function.

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