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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
6 Jan 2022

Given information

Given that

Step-by-step explanation

Step 1.
is differentiable at all points in the domain, because its a sum of two differentiable functions. Hence, the critical numbers are the solutions of the equation  
   
Differentiate
 
 
The critical numbers are the solutions of  
 
 

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