Algebra and Trigonometry 10th Edition

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 203: 43a

Answer

$\$420; \$560;\$665;\$770$

Work Step by Step

We are given the function: $W(h)=\begin{cases} 14h,0\lt h\leq 40\\ 21(h-40)+560,h\gt 40 \end{cases}$ Compute $W(30),W(40),W(45),W(50)$: $W(30)=14(30)=420$ $W(40)=14(40)=560$ $W(45)=21(45-40)+560=105+560=665$ $W(50)=21(50-40)+560=210+560=770$
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