Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 12 - Test: 11


It's not one-to-one

Work Step by Step

If a function passes the one-to-one test, it means that for every input (also known as x-value), the y value is always different. This means that a horizontal line is able to pass through. Since dog/desk and circle/cat give the SAME output, but are different inputs, they are not one-to-one
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