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Help I need help

 

If t is a real number, what is the maximum possible value of the expression -t^2 + 8t -4 - 4t^2 + 15 - 13t$?

 Dec 19, 2023
 #1
avatar+126665 
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Simplify as

-5t^2 -5t  + 11

 

The maximum occurs  at   t = (-)(-5) / [ 2 * -5) =  -1/2

 

The max is  -5(-1/2)^2 - 5(-1/2)  + 11 =   12.25

 

 

cool cool cool

 Dec 19, 2023

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