Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 12 - Review: 80

Answer

{$\frac{e^{2}-1}{3}$}, {$2.1297$}

Work Step by Step

Step 1: $\ln (3x+1)=2$ Step 2: $3x+1=e^{2}$ Step 3: $3x=e^{2}-1$ Step 4: $x=\frac{e^{2}-1}{3}\approx2.1297$ Therefore, the exact solution is {$\frac{e^{2}-1}{3}$}. The answer, to four decimal places, is {$2.1297$}.
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