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If $t$ is a real number, what is the maximum possible value of the expression $-t^2 + 8t -4 +5t^2 - 4t + 18$?

 Mar 28, 2024
 #1
avatar+129732 
+1

4t^2  + 4t + 14

 

This parabola opens  upward.....no max possible

 

cool cool cool

 Mar 28, 2024

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