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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
6 Jan 2022

Given information

given that 

  

and   

 

Step-by-step explanation

Step 1.
Find the left and right limits at  
 
 
Since  is continuous at  
Since   is continuous at  
Since  is continuous at  
Also  and   are continuous functions
This means that   is continuous everywhere
Since is continuous everywhere, by fundamental theorem   is differentiable everywhere
Differentiate to get

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