Answer
The function is one-to-one.
Its inverse is itself.
Work Step by Step
The function is one-to-one because the second coordinate is paired with only one first coordinate.
Its inverse is:
$h^{-1} = \left\{(10, 10)\right\}$, which is itself.
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 9 - Section 9.2 - Inverse Functions - Exercise Set - Page 549: 3
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