Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 3 - Section 3.5 - Exponential Growth and Decay; Modeling Data - Exercise Set - Page 507: 42


$12.57$ billion.

Work Step by Step

With the given model function $f(x)=\frac{12.57}{1+4.11e^{-0.026x}}$ Let $t\to\infty$; we have $4.11e^{-0.026x}\to0$ and $f\to12.57$ billion.
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