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A function is an ordered pair that has unique input and output variables.
(1,9) would make the ordered pair a function
We have:
[tex](x,y) = \{(3,5) (4, 9) (2,5)\}[/tex]
For the ordered pair to be a function, then no two output value must have the same input value.
Where:
[tex]x \to[/tex] input
[tex]y \to[/tex] output
(2,6), (3,7) and (4,1) would not create a function, because 2, 3 and 7 have output different output values already.
And the output values are: 5 and 9.
So, (1,9) would make the ordered pair a function because input value 1, does not point to multiple output values.
See attachment to learn more about functions and relations.
Read more about ordered pairs at:
https://brainly.com/question/13688667
