Which of the following mappings on E2 is not a transformation? Choose the correct answer I. (x,y)↦(2x,2y) II. (x,y)↦(x,0) III. (x,y)↦(-y,x) IV. (x,y)↦(x,y)

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Which of the following mappings on E2 is not a transformation?

Choose the correct answer

I. (x,y)↦(2x,2y)

II. (x,y)↦(x,0)

III. (x,y)↦(-y,x)

IV. (x,y)↦(x,y)

 

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