Answer:
2: Rate of change is the comparision between the x and y values. 3: For one pound of fish, it costs $15
Explanation:
2: For example, if you have 4y and 1x, the rate of change is 4 because rise/run, 4/1= 4
3: The cost would be y while pounds of fish would be x. so $15/1 pound = 15
Hope this helps