Write the following expression or equation in words. x/2 + 5
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A relation or an ordered pair may or may not be a function.
An ordered pair will only be a function when the x and y values are unique
<em>The options are not given, so I will provide a general explanation</em>
For an ordered pair to be a function, all the y values must point to different x values.
Take for instance, the given ordered pair
The above represents a function, because the y-values have different x-values
However, the following ordered pair is not a function
The reason is that:
y-values 9 and 8 have the same x-value (3)
Read more about ordered pairs and functions at: