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
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 11: 69
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