Answer
Not a function
D={1}
R={4, 5, 6}
Work Step by Step
It is not a function because there is repetition of x values. The domain is the set of all x values and the range is the set of all y values.
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 2 - Functions and Graphs - Exercise Set 2.1 - Page 224: 9
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