Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 3 - Section 3.3 - Properties of Logarithms - Exercise Set: 43

Answer

$\ln{7x}$

Work Step by Step

RECALL: (i) $\log_b{M} + \log_b{N} = \log_b{MN}.$ (ii) $\log_b{b^x}=x.$ Use rule (i) above with $M=x$ and $N=7$ to obtain $\ln{(x\cdot 7)} \\=\ln{7x}.$
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