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Which explains why the graph is not a function? It is not a function because the points are not connected to each other. It is not a function because the points are not related by a single equation. It is not a function because there are two different x-values for a single y-value. It is not a function because there are two different y-values for a single x-value.

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Answer:

The answer is D

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I just got done with the test

User Marcandre
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As per the definition of a function,which requires that there be a single discrete output (y) for every value of input (x), the graph is not a function because there are two different y-values for a single x-value.
Examples of functions are:
y = x
y = x² - 5
And many other. However, what all of these have in common is the fact that whenever a value of x is input, it gives one value of y only.
User Pawinder Gupta
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