Which statement is true about the given function? f(x) > 0 over the interval (–infinity, 3). f(x) > 0 over the interval (–infinity, infinity). f(x) < 0 over the interval (–infinity, 3). f(x) < 0 over the interval (–infinity, infinity).

Acompany manufactures three types of cabinets. it makes 110 cabinets each week. in the first week, the sum of the number of type-1 cabinets and twice the number of type-2 cabinets produced was 10 more than the number of type-3 cabinets produced. the next week, the number of type-1 cabinets produced was three times more than in the first week, no type-2 cabinets were produced, and the number of type-3 cabinets produced was the same as in the previous week.