College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter 4 - Section 4.1 - Inverse Functions - 4.1 Exercises - Page 394: 12



Work Step by Step

One to one means that $f(a)=f(b)$ implies $a=b$. $a=10$, $b=-10$ $f(10)=0$ $f(-10)=0$ This means each $x$ does not produce a unique $y$ value and it is not one to one.
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