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Determining if a Relation is a Function

Determining if a Relation is a Function 1.12 - Solution

Return to Determining if a Relation is a Function

Let's start with expressing the relation in a mapping diagram. For each ordered pair, the first number in the relation is the $x$ -value and the second number is the corresponding $y$ -value.

Because each $x$ -value is mapped to only one $y$ -value, this relation is a function.