Complete the square to transform quadratics and derive the quadratic formula.
Interpret a completed-square quadratic model in context
Problem
\(D(x)=2(x-4)^{2}+15\) models predicted defect count \(D\) for machine settings \(0\le~x\le~10\). Verify the vertex lies in the contextual domain, then identify vertex, opening, extremum type, contextual input/unit, contextual output/unit, and model interpretation.
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