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13 Nov 2021

Given information

Given:-

critical numbers:-  

obtained in part one

 

Step-by-step explanation

Step 1.

we obtained the first derivative of the given function in part one

 

the domain of the given derivative is

            (domain of a polynomial and linear function)

now, substitute  

 

by solving this equation we get

 

solve this equation for x we get the intervals of critical points

 

 

 

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Single Variable Calculus: Early Transcendentals
4th Edition, 2018
Stewart
ISBN: 9781337687805

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