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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
1 Nov 2021

Given information

Given:

The expression is  

 

Step-by-step explanation

Step 1.

Concept used: 

The function  is increasing where .

 

The function  is positive when is positive, negative when is negative, and zero when is zero.

The function   is positive when  is positive, negative when  is negative, and zero when  is zero.

We can write  is declining on just by keeping track of the indicators.

 

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