The average annual costs for owning two different refrigerators for x years is given by the two functions: f(x) = 850 + 62x x and g(x) = 1004 + 51x x Which of the following is true? After one year, the cost of the refrigerator modeled by f(x) is cheaper. After one year, the cost of the refrigerator modeled by g(x) is cheaper. After one year, the costs are the same.