Barney wants to rent a tent. He has to pay a fixed base cost plus a daily rate for renting the tent. The table shows the amount of money, y, in dollars, that Barney has to pay for renting the tent for x days:

Tent Rental

Number of days
(x) Rent (dollars)
(y)
0 3
1 8
2 13
3 18
4 23


Which equation best shows the relationship between x and y?
y = 5x + 3
y = x + 8
y = 5x + 8
y = x + 3