College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 4, Exponential and Logarithmic Functions - Section 4.4 - Laws of Logarithms - 4.4 Exercises - Page 394: 7


(a) False (b) True

Work Step by Step

(a) This is false. $\log(A+B)\neq\log A+\log B$ We can show this thus: $\log A+\log B=log(AB)\neq log(A+B)$ (since $A+B\neq AB$) (b) This is true. $\log AB=\log A+\log B$ (This is a general property of logs.)
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