#### Answer

This is a one-to-one function.

#### Work Step by Step

Place a horizontal line on any point of the graph. In order for the function to be a one-to-one function, the horizontal line must intersect the graph only once.

Published by
Brooks Cole

ISBN 10:
0-53449-636-9

ISBN 13:
978-0-53449-636-4

This is a one-to-one function.

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