Answer
$C(x)=2.72+0.5[[x]]$
Work Step by Step
The cost $C$ of mailing a package weighing $x$ pounds consists of the fixed price $\$2.72$ and the cost of the additional pounds:
$C(x)=2.72+0.5[[x]]$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 2 - 2.4 - A Library of Parent Functions - 2.4 Exercises - Page 204: 46a
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