## Precalculus (10th Edition)

Published by Pearson

# Chapter 5 - Exponential and Logarithmic Functions - 5.3 Exponential Functions - 5.3 Assess Your Understanding - Page 280: 13

Option (b)

#### Work Step by Step

An exponential function is increasing when its base is greater than $1$. Among the choices, only the exponential function in Option (b) has a base that is greater than $1$. Thus, the only increasing function among the choices is the one in Option (b).

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