#### Answer

one-to-one

#### Work Step by Step

In a function that is one-to-one, every x-value leads to only one y-value
and every y-value leads to only one x-value. A particular function can have an inverse function only if it is a one-to-one function.

Published by
Pearson

ISBN 10:
0321671775

ISBN 13:
978-0-32167-177-6

one-to-one

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