Calculus 10th Edition

Published by Brooks Cole
ISBN 10: 1-28505-709-0
ISBN 13: 978-1-28505-709-5

Chapter 5 - Logarithmic, Exponential, and Other Transcendental Functions - 5.5 Exercises - Page 362: 16



Work Step by Step

The graph of $3^{-x}$ is just the graph of $y=3^x$ reflected in the y-axis. Also, $\lim\limits_{x \to -\infty}3^{-x} = \infty$ And, $\lim\limits_{x \to \infty}3^{-x}=0$ Thus, the answer is (c) which satisfies all the relations described above.
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