Answer:
C.
Step-by-step explanation:
We know when a graph moves to the right on the x axis, the numbers are getting larger.
Knowing this we know the weight is increasing. So we can eliminate answer B and D.
When you go up on the y axis, the values are also going up.
Knowing this we know the cost is increasing.
After eliminating answers that do not make sense, we are left with answer C.
