An account executive receives a base salary plus a commission. On $50,000 in monthly sales, an account executive would receive compensation of $3000. On $70,000 in monthly sales, an account executive would receive compensation of $3600. Determine a linear function that yields the compensation y of a sales executive for a given amount of monthly sales x.

Before you started applying for college, a job recruiter offered you a full-time cashier position at a doctor's office, earning an after-tax salary of $22,000 per year. however, you turn down this offer and attend your first year of college. the additional monetary cost of college to you, including tuition, supplies, and additional housing expenses, is $34,000. you decide to go to college, probably because