Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 6 - Logarithmic Functions - 6.3 Graphing Logarithmic Functions - 6.3 Exercises: 1

Answer

$\text{a) } f(50)\approx2 \\\text{b) } x\approx125$

Work Step by Step

$\bf{\text{Solution Outline:}}$ Use the information in the given graph. $\bf{\text{Solution Details:}}$ To estimate $ f(50) ,$ find the value of $y$ when $x= 50 .$ Based on the graph, then $ f(50)\approx2 .$ To estimate $ f(x)=2.5 ,$ find the value of $x$ when $y= 2.5 .$ Based on the graph, $ x\approx125 .$ The answers are \begin{array}{l}\require{cancel} \text{a) } f(50)\approx2 \\\text{b) } x\approx125 .\end{array}
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