Answer
D
Work Step by Step
The answer is D, because when $x=-1$, $3^{-x}=3^1=3$ so $y=3$.
And also when $x=0$, $3^{-x} = 3^0=1$ so $y=1$.
Calculus with Applications (10th Edition)
by Lial, Margaret L.; Greenwell, Raymond N.; Ritchey, Nathan P.
Published by
Pearson
ISBN 10:
0321749006
ISBN 13:
978-0-32174-900-0
Chapter 2 - Nonlinear Functions - 2.4 Exponential Functions - 2.4 Exercises - Page 86: 4
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