# Chapter 1 - Functions - 1.3 Inverse, Exponential, and Logarithmic Functions - 1.3 Exercises: 11

$(-\infty,-1),(-1,1),(1,\infty)$

#### Work Step by Step

Whenever the slope of the function changes from positive to negative or vice-versa then it ceases to be one-to-one on that interval.

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