Answer
$E.$
Work Step by Step
Starting with the graph of figure 21, taking a=3, $f(x)=3^{x}$,
and then
shifting it down by 1 unit $\qquad$... $y=f(x)-1$
... we obtain this graph.
We look for $ y=f(x)-1=3^{x}-1\qquad$... choice $E.$
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter 6 - Section 6.3 - Exponential Functions - 6.3 Assess Your Understanding - Page 435: 41
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