1Cademy - Example: Finding the Domain and Range of the Relation $$\{(1,1), (2,8), (3,27), (4,64), (5,125)\}$$

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Finding the Domain and Range from a Set of Ordered Pairs

Example

Example: Finding the Domain and Range of the Relation $\{(1,1), (2,8), (3,27), (4,64), (5,125)\}$

Consider the relation defined by the set of ordered pairs: $\{(1,1), (2,8), (3,27), (4,64), (5,125)\}$ . The domain is defined as the set of all unique $x$ -coordinates from these pairs, which gives $\{1, 2, 3, 4, 5\}$ . The range is defined as the set of all unique $y$ -coordinates, resulting in $\{1, 8, 27, 64, 125\}$ .

Updated 2026-05-03

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OpenStax Intermediate Algebra

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