Monica sells ice cream bars at the beach. In addition to a fixed salary, she earns a commission for each ice cream bar she sells. The table shows Monica's total earnings, y, from selling x bars of ice cream: Ice Cream Sales and Earnings
Number of Bars Sold (x) Total Earnings (dollars) (y)
0 35
1 38
2 41
3 44

Which equation best shows the relationship between x and y?
y = x + 35
y = 3x + 38
y = 3x + 35
y = x + 38