Which of the following diagrams represents a function? And give the reasons why it is a function or not? Let X={1,2,3,4} and Y={a,b,c,d}. i) f:X→ Y 1 a b 3 C 4 d

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter2: Functions
Section2.1: Functions
Problem 5E: A Function f is a rule that assigns to each element x in a set A exactly ________ element(s) called...
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Discrete Sturcture.

ii)
g : X → Y
1
a
2
3
C
4
Transcribed Image Text:ii) g : X → Y 1 a 2 3 C 4
a) Which of the following diagrams represents a function? And give the
reasons why it is a function or not?
Let X={1,2,3,4} and Y={a,b,c,d}.
i)
f:X>Y
1
a
3
C
4
d
Transcribed Image Text:a) Which of the following diagrams represents a function? And give the reasons why it is a function or not? Let X={1,2,3,4} and Y={a,b,c,d}. i) f:X>Y 1 a 3 C 4 d
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