## Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole

# Chapter 1 - Section 1.1 - Real Numbers - 1.1 Exercises: 40

#### Answer

a. $y\lt0$ b. $z\gt1$ c. $b\leq8$ d. $0\lt w\leq17$ e. $|y-\pi|\geq2$

#### Work Step by Step

a. y is negative can be written as $y\lt0$ b. z is greater than 1 can be written as $z\gt1$ c. b is at most 8 can be written as $b\leq8$ d. w is positive and is less than or equal to 17 can be written as $0\lt w\leq17$ e. y is at least 2 units from $\pi$ can be written as $|y-\pi|\geq2$

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