Alejandro sells appliances at Shop A Lot and gets paid $400 each week, plus $55 for each appliance that he sells.



Part A: Using x to represent the number of appliances he sells and y to represent the total amount of money he makes each week, write a linear function that models the relationships between the number of appliances he sells and the total amount of money he makes each week.



Part B: How much total money does Alejandro make in a week if he sells 14 appliances?