Precalculus (6th Edition) Blitzer

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

Chapter 2 - Review Exercises - Page 432: 81

Answer

$ y=0$

Work Step by Step

We are given the function $ P(x)=\dfrac{72,900}{100x^2+729}$ We see that when $ x \to \infty $, the function has a horizontal asymptote because the degree of the numerator is smaller than the degree of the denominator. This implies that when the number of years of education increases to a high number, the percentage of unemployed people becomes $0$. Therefore, $ y=0$
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