Question: Consider the estimated quadratic model y^=21+1.9x0.05x2 a. Predict y when x equals 10,20 , and 30 . Note: Round intermediate calculations to at least 4

Consider the estimated quadratic model y^=21+1.9x0.05x2 a. Predict y when x equals 10,20 , and 30 . Note: Round intermediate calculations to at least 4 decimal places and final answers to a whole number. b. Find the value of x at which the predicted y is optimized. At this x value, is the predicted y maximized or minimized. Note: Round intermediate calculations to at least 4 decimal places and final answer to a whole number

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