Let d: R? x R² →R, defined as d (x, y) = |x1 - yı|+ |#2 – y2]| where x = (x1, x2), y = (y1, y2) , then d is metric but not semi metric O semi metric but not metric O not metric and not semi metric O metric and semi metric O

Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter1: Equations And Graphs
Section1.CR: Chapter Review
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Let d : R? × R² → R, defined as d (x, y) = |æi – yı| + |x2 – Y2|
where x = (x1, x2), y = (y1, 42) , then d is
metric but not semi metric O
semi metric but not metric O
not metric and not semi metricO
metric and semi metric O
Transcribed Image Text:Let d : R? × R² → R, defined as d (x, y) = |æi – yı| + |x2 – Y2| where x = (x1, x2), y = (y1, 42) , then d is metric but not semi metric O semi metric but not metric O not metric and not semi metricO metric and semi metric O
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