The table below shows the cost of beef, y, based on the weight, x, in pounds.


Weight of Beef
(pounds) Cost
($)
2 $6.58
4 $13.16
6 $19.74
8 $26.32

Which equation could be used to calculate the cost of x pounds of beef?

A.
y = x + 3.29

B.
y = 3.29x

C.
y = 6.58x

D.
y = x + 6.58