Jennifer said that 3 out of 3 and 5 out of 5 is equal to is she correct

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.

Can someone me with this graph problem by the way i need to know the answers by today since this assignment is due ! !

What is the domain of the step function f(x)=[2x]-1?