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Ben is climbing a tree with a lot of branches. His height off the ground at time t is t^2-5t+29 feet. To the nearest foot, what will his minimum height be?

 Jan 17, 2021
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He reaches a min height  in      5/(2*1) =  2.5 s

 

So    the min height is

 

(2.5)^2  - 5(2.5) + 29    =  22.75 ft  =   23 ft

 

cool cool cool

 Jan 17, 2021

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