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: 73



Work Step by Step

RECALL: $\log_b{a}=y \longrightarrow b^y=a$ With $a=x-1$ and $b=3$, use the rule above to the given expression to obtain: $3^2=x-1 \\3(3)=x-1 \\9=x-1$ Add $1$ on both sides of the equation to obtain: $10 =x$
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