Is there any guy out there that dosent wanna score? for real it's getting disappointing

Which of the following is not a subset of {1,2,3}?

Question 13 (1 point) jerome is starting a new job. his contract states he will earn $42,000 the first year, and will get a 4% raise per year. which function s(x) represents jerome's salary after a certain number of years, x?

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.