Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 1 - Section 1.1 - Real Numbers - 1.1 Exercises: 69

Answer

a.) 2 b.) -1

Work Step by Step

a. $\mid$$\mid$-6$\mid$-$\mid$4$\mid$$\mid$ $\mid$-6$\mid$ = -(-6) = 6 $\mid$4$\mid$ = 4 $\mid$6-4$\mid$ = $\mid$2$\mid$ = 2 b. $\frac{-1}{\mid-1\mid}$ $\mid$-1$\mid$ = -(-1) = 1 $\frac{-1}{1}$ = -1
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