## Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole

# Chapter 6 - Logarithmic Functions - 6.3 Graphing Logarithmic Functions - 6.3 Exercises: 4

#### Answer

$\text{a) } f(250)\approx5 \\\text{b) } x\approx75$

#### Work Step by Step

$\bf{\text{Solution Outline:}}$ Use the information in the given graph. $\bf{\text{Solution Details:}}$ To estimate $f(250) ,$ find the value of $y$ when $x= 250 .$ Based on the graph, then $f(250)\approx5 .$ To estimate $f(x)=4 ,$ find the value of $x$ when $y= 4 .$ Based on the graph, $x\approx75 .$ The answers are \begin{array}{l}\require{cancel} \text{a) } f(250)\approx5 \\\text{b) } x\approx75 .\end{array}

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