Answer
a) not a one-to-one function
b) inverse does not exist
Work Step by Step
The horizontal line $
y=1
$ will intersect the given graph at more than $1$ point. Hence, the given graph is not a one-to-one function.
Intermediate Algebra (12th Edition)
by Lial, Margaret L.; Hornsby, John; McGinnis, Terry
Published by
Pearson
ISBN 10:
0321969359
ISBN 13:
978-0-32196-935-4
Chapter 9 - Section 9.1 - Inverse Functions - 9.1 Exercises - Page 589: 37
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