Answer
(a) $x\gt0$
(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 $0$.
(b) $t$ is less than 4, meaning we need a "less than" sign - $
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 1 - Section 1.1 - Real Numbers - 1.1 Exercises - Page 10: 39
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