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Mathematics 16 Online
OpenStudy (narissa):

help

OpenStudy (narissa):

OpenStudy (narissa):

@Directrix

Directrix (directrix):

In a function, a value of x has only one y value for that value of x.

OpenStudy (narissa):

the bottom on the left

Directrix (directrix):

As an example, the attached graph is not that of a function because there are 2 different y values for the same value of x.

OpenStudy (narissa):

top left

OpenStudy (narissa):

oops bottom right?

Directrix (directrix):

Correct. The bottom left graph has infinitely many y values for the single value of x = 3.

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