Which of the statements below is TRUE?A. Investors want to minimize return and maximize risk. B.Investors want to minimize return and minimize risk. C.Investors want to maximize return and minimize risk. D.Investors want to maximize return and maximize risk.

Problem page a medical equipment industry manufactures x-ray machines. the unit cost c (the cost in dollars to make each x-ray machine) depends on the number of machines made. if x machines are made, then the unit cost is given by the function =cx+−0.3x2126x31,935 . how many machines must be made to minimize the unit cost?