Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 5 - 5.2 - Logarithmic Functions and Their Graphs - 5.2 Exercises - Page 378: 38


$f(x)=\log_3(x-1)$ corresponds to the graph labeled as (d).

Work Step by Step

Notice that: $f(2)=\log_3(2-1)=\log_31=0$. It gives us the point: $(2,0)$ Also, when $x-1→0^+$, that is, when $x→1^+$ $\log_3(x-1)→-∞$
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