The table shows the cost in dollars, y, for renting a truck and the discount for using personal insurance for x number of days.
Number of Days, X
1
2
3
4
Cost for Truck
Rental, y
($)
47.50
82.50
117.50
152.50
Discount for Personal
Insurance, y
($)
7.50
15.00
22.50
30.00
Which function shows the final cost in dollars, y, for renting four trucks using personal insurance for x number of
days?
y = 27.50x + 12.50
O y = 42.50x + 12.50
O y = 110x + 50
O y = 170x + 50