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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
30 Dec 2021

Given information

Given function is    

                                    

Step-by-step explanation

Step 1.
Since    is measured in years since August of 1993 , the value of    varies from 0 to 10 .
 
Now,   being continuous on the interval , we can use the Closed Interval Method:
 
 
 
 
 
Since,  exists for all  , the only critical numbers of   occur when . Thus we need to find the solution of the equation .

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