Precalculus (6th Edition) Blitzer

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

Chapter 2 - Section 2.6 - Rational Functions and Their Graphs - Exercise Set - Page 401: 104


$P\left( 9 \right)=89$

Work Step by Step

Substitute $x=9$, $\begin{align} & P\left( 9 \right)=\frac{100\left( 9-1 \right)}{10} \\ & =89 \end{align}$ Thus, given a disease that smokers are 9 times more likely to die from than non-smokers, we see that 89% of deaths are related to smoking.
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