Answer
(a) $0.1565$
(b) $4.5139$
Work Step by Step
(a) $ln(\frac{x+1}{x})=2$
$(\frac{x+1}{x})=e^{2}$
$x=0.1565$
(b) $e^{1/(x-4)}=7$
$lne^{1/(x-4)}=ln7$
$\frac{1}{x-4}=1.946$
Hence, $x=4.5139$
Calculus 8th Edition
by Stewart, James
Published by
Cengage
ISBN 10:
1285740629
ISBN 13:
978-1-28574-062-1
Chapter 6 - Inverse Functions - 6.3* The Natural Exponential Function - 6.3* Exercises - Page 452: 14
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