Todd Uses the Quadratic Regression Model to Determine the Predictive

Multiple Choice

Todd uses the quadratic regression model to determine the predictive average unit cost of baseballs produced in his production facility. After determining predictive average costs at multiple unit batch size amounts in millions, he now wants to know what the output level that minimizes his costs would be.
- Given b₁ = ?0.3802 and b₂ = 0.0198, what is the level that will maximize his average cost in units?

A) 7.5 million units
B) 3.7 million units
C) 19.20 million units
D) 9.60 million units