The cost of a service call to fix a washing machine can be expressed by the linear function mc002-1.jpg, where y represents the total cost and x represents the number of hours it takes to fix the machine. what does the y-intercept represent?

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)