| Relation |
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A Relation is a set of ordered pairs. |
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Figure 1. |
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| Inverse Relation |
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If Relation A is made up of ordered pairs (a, b), Relation B is its inverse if it possesses all possible ordered pairs in the format (b, a). |
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Figure 2. |
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Above are a relation and its inverse.
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Figure 3. |
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If a single point is not the inverse of its mapped point, then the functions are not inverses of each other.