Answer
B
Work Step by Step
The answer is B, because when x=0, $-2+3^{-x} = -2+1 =-1$ So $y=-1$.
And also when x=-1, $-2+3^{-x} = -2+ 3 =1$ 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: 10
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