Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 5 - Exponential and Logarithmic Functions - 5.3 Exponential Functions - 5.3 Assess Your Understanding - Page 281: 27


neither exponential nor linear

Work Step by Step

The ratio of consecutive values is not constant (because $\frac{12}{6}=2\ne\frac{18}{12}=1.5$), hence, it is not an exponential function. The difference of consecutive values is not constant (because $6-3\ne12-6$), hence it is not a linear function. Thus, the function is neither linear nor exponential.
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