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What real value of t produces the smallest value of the quadratic t^2 + 9t - 36 - 7t + 45?

 Feb 11, 2022
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= t^2 +2t + 9             bowl shaped parabola ....   minumum value will be at  t = -b/2a   =  - 2 / (2*1)  = -1    

 Feb 11, 2022

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