Calculus 10th Edition

Published by Brooks Cole
ISBN 10: 1-28505-709-0
ISBN 13: 978-1-28505-709-5

Chapter 5 - Logarithmic, Exponential, and Other Transcendental Functions - 5.1 Exercises - Page 325: 10

Answer

domain$: x>0.$ (please see graph (blue) below) .
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Work Step by Step

1. Start by sketching $f_{1}(x)=\ln x$ 2. $f_{2}=-f_{1}(x)=-\ln x$ (reflect $f_{1}$ over the x-axis) 3. $f(x)=2f_{2}(x)=-2\ln x$ (vertically stretch $f_{2}$, factor 2) domain$: x>0.$
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