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Is this a function or non-function {(3,4),(4,-6),(5,-7),(3,2),(-2,5)}

Sagot :

Recall that a set of ordered pairs A represents a function if:

[tex](x,y),(x,z)\in A\text{ if and only if y=z.}[/tex]

Now, notice that (3,4) and (3,2) are in the given set of ordered pairs, since

[tex]4\ne2[/tex]

we get that the given set does not correspond to a function.

Answer: Non-function.

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