Robert already has 15 dollars. every hour (x) that he works at the bakery he earns another 4 dollars (y). how many total dollars will robert have after 7 hours of work?

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?