Section 2.1 Rectangular Coordinates-Relations

# If a a is related to b b via the relation r we write a

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Unformatted text preview: related to b ∈ B via the relation R, we write (a, b ) ∈ R. This expresses the relation as a set of ordered pairs. We may write a relation in mapping notation as R : A → B . Circles Outline Relations Graphing Relations Circles Examples Example Relation between students and chairs. Relate year to world population: (2000, 6071 M), (2005, 6454 M), (2010, 6877 M), (2012, 7000 M), (2014, 7139 M). Relate birthdays to month. Month B-days Month x y x 1 0 5 2 4 6 3 0 7 4 1 8 y = 3x + 1. B-days y 4 2 1 1 Month x 9 10 11 12 B-days y 3 2 3 2 Outline Relations Graphing Relations Circles Rectangular Coordinate System Take two real lines that are perpendicular and intersect at 0 on each line. Label the horizon...
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