Which formula gives the x-coordinates of the maximum values for y = cos(x)?

ks for any integer k
kr fork-0,+2 +4
2
for any positive integer k
2 for k=0,12,14...

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.