Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 9 - Section 9.3 - Logarithmic Functions - Exercise Set - Page 701: 64



Work Step by Step

RECALL: (i) $\ln{e^x}=x$ (ii) $\dfrac{1}{a^m} = a^{-m}$ Use rule (ii) above to obtain: $=\ln{e^{-7}}$ Use rule (i) above to obtain: $\ln{e^{-7}} = -7$
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