C. How many extensions of g to A are onto?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.5: Graphs Of Functions
Problem 32E
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Solve c
Let X = {a, b, c, d, e, f, g} andY = (1,2}. Let X =
(d) and let g : X Y
be the function defined by g(d) = 2.
%3D
a. How many extensions of g to A are there?
b. How many extensions of g to A are one-to-one?
C. How many extensions of g to A are onto?
Transcribed Image Text:Let X = {a, b, c, d, e, f, g} andY = (1,2}. Let X = (d) and let g : X Y be the function defined by g(d) = 2. %3D a. How many extensions of g to A are there? b. How many extensions of g to A are one-to-one? C. How many extensions of g to A are onto?
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