contestada

Which relation describes a function? What makes it a function?

A)
{(-2,3),(-2,5),(-6,7)} Each member of the range is unique.


B)
{(2,3),(3,3),(3,4)} Each member of the domain and range is positive.
Eliminate

C)
{(2,3),(3,3),(3,4)} Each member of the domain and range is a real number.


D)
{(-2,3),(-3,3),(-4,3)} Each member of the domain is assigned exactly one member of the range

Respuesta :

budwilkins
D) {(-2,3),(-3,3),(-4,3)} Each member of the domain is assigned exactly one member of the range.
The domain must have only one value for y (range), unlike in the other 3 answer choices. If any section of a graph has two different y-values for the same x, then it is not a function.
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D)  

{(-2,3),(-3,3),(-4,3)} Each member of the domain is assigned exactly one member of the range

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