Answer
See below.
Work Step by Step
$a^{-x}=(\frac{1}{a^x})=(\frac{1}{a})^x.$ Thus the two functions are the same, hence their graphs are also the same.
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 439: 135
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