## Intermediate Algebra (6th Edition)

Published by Pearson

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

#### Answer

R(2)= 2.974 billion dollars, so the Boeing Company and subsidiaries are estimated to spend 2.974 billion dollars in 2007 on research and development (which is x=2 years after 2005).

#### 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. $R(2)=.382\times2+2.21=.764+2.21=2.974$ billion dollars

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