I need help I don’t get it !!

Which of the following represents the range of the graph of f(x) below

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose