Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 1 - 1.2 - Linear Equations in One Variable - 1.2 Exercises - Page 89: 79d


$1.8$ and $1.9$

Work Step by Step

Since the function is strictly monotonically increasing and the interval which contains $0$ is the one that is between $1.8$ and $1.9$, this is the interval we are looking for. We can always partition the interval that contains the desired solution until we have the desired precision.
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