College Algebra (10th Edition)

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 435: 27



Work Step by Step

The ratio of consecutive values is not constant (because $\frac{12}{6}\ne\frac{18}{12}$), hence, it is not an exponential function. And the difference of consecutive values is not constant (because $6-3\ne12-6$), hence it is not a linear function.
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