A
The coordinate point (1, 2 ) gives the cost for 1 bag of candy
That is 1 bag of candy costs $2
The point (2, 4 ) gives the cost of 2 bags of candy
that is 2 bags of candy costs $4
the point (3, 6 ) gives the cost of 3 bags of candy
that is 3 bags of candy costs $6
Indicating that 1 bag costs $2 → A
