Igor’s summer job at the frozen yogurt shop paid him the following amounts in his first three days on the job (he got paid the same hourly rate every day)(the table is what the following amounts are). What is Igor’s unit rate of change of dollars with respect to time; that is, how much is he paid for one hour worked? The unit rate is _ dollars per hour. Graph the proportional relationship described above, with the x-coordinate representing hours worked, and the y-coordinate representing amount paid in dollars.