contestada

Given the relation represented by the set of ordered pairs below, determine if the relation is a function and whether it is one-to-one. {(6,10),(5,0),(1,4),(−1,3),(0,14)}

Respuesta :

Since x is not repeated the relation is a function.

In order to be one to one it must pass the horizontal line test. If you draw a horizontal line it will only intersect in one place. This will be the case if y is not repeated.

This relation is also one to one.

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