Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 7 - Functions and Graphs - 7.4 The Algebra of Functions - 7.4 Exercise Set - Page 476: 45


$$ 4.25\ Million$$

Work Step by Step

We know that $N(t)$, the total number of births, will be the sum of the other two functions. Thus, adding the two other functions at year 2005, we find: $$ 1.25 + 3 \\ 4.25\ Million$$
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