Will help you maintain good credit. A. Opening many credit accounts
B. Applying for bankruptcy
C. Keeping a high debt-to-credit ratio
D. Lowering your balances

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?