Helena is purchasing a house for $210,000, with a 15-year fixed-rate mortgage at 4.5% interest. She has made a 5% down payment. The house is
valued at $200,000, and the local tax rate is 3.5%. Her homeowners insurance
is $600 per year. What are her total monthly payments? (Use the table below
to calculate PMI premiums.)

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?