8. identify the mapping diagram that represents the relation and determine whether the relation is a function. {(-2, -4), (-1, -4), (3, -4), (6, -4)}

B

Input values are the first values in the ordered pair, so the diagrams in A and B show the appropriate mapping.

The mapping will not be a function if some value on the left has multiple destinations on the right. Here, none do, so the relation is a function, as captioned in figure B.

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idk

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