Final answer:
The number 2,000 represents the amount of trash added to the landfill every day.
Step-by-step explanation:
The number 2,000 in the given function n = 2000x + 1000 represents the amount of trash added to the landfill every day (B). In this function, x represents the number of days and n represents the total number of tons of trash in the landfill. The coefficient 2000 indicates that 2,000 tons of trash are added to the landfill every day.