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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
28 Dec 2021

Given information

Given function is 

Step-by-step explanation

Step 1.
As    approaches   from left side,   from positive side. This means that values of    are positive and drop to zero.
 
From here we can conclude that   is defined for these values of .
 
As   and   

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