(a) What is dom(R)? (b) What is range(R)? (c) What is the relation R-1? (d) Is R a function from A to B? Why or why not? (e) Is R-a function from B to A? Why or why not?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.5: Graphs Of Functions
Problem 59E
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Let A = {w, x, y, z} and B = {a, b, c, d}. Let
%3D
R= {(x,c), (w, b), (y, a), (x, d)}
%3D
be a relation from A to B.
Transcribed Image Text:Let A = {w, x, y, z} and B = {a, b, c, d}. Let %3D R= {(x,c), (w, b), (y, a), (x, d)} %3D be a relation from A to B.
(a) What is dom(R)?
(b) What is range(R)?
(c) What is the relation R-1?
(d) Is Ra function from A to B? Why or why not?
(e) Is R- a function from B to A? Why or why not?
Transcribed Image Text:(a) What is dom(R)? (b) What is range(R)? (c) What is the relation R-1? (d) Is Ra function from A to B? Why or why not? (e) Is R- a function from B to A? Why or why not?
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