Question

A. Determine if the following set of order pairs illustrate specifies a function​.

1.{(2,3),(1,5),(3,1),(-1,0)}
2.{(2,1),(2,5),(-3,7),(-10,0)}
3.{(-2,-3),(-9,4),(-9,4),(-1,10)}
4.{(2,5),(1,5),(3,5),(1,5)}
5.{(3,3),(3,5),(3,1),(3,0)}

Answer 1

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