Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 3 - Section 3.2 - Introduction to Functions - Exercise Set: 100b

Answer

5.648 billion dollars

Work Step by Step

We are given that the amount of money spent by the Boeing Company and subsidiaries on research and development annually is represented by the function $R(x)=.382x+2.21$, where x is the number of years after 2005. 2014 is 9 years after 2005, so x=9. $R(9)=.382\times9+2.21=3.438+2.21=5.648$ billion dollars
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