## Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole

# Chapter 1 - Section 1.1 - Real Numbers - 1.1 Exercises: 39

#### Answer

(a) $x\geq0$ (b) $t\lt4$ (c) $a\geq\pi$ (d) $-5\lt x \lt\frac{1}{3}$ (e) $|p-3|\leq5$

#### Work Step by Step

(a) $x$ is positive whenever it is greater than or equal to $0$. (b) $t$ is less than 4, meaning we need a "less than" sign - \$

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