e. If you have 2 pounds of ground beef on the scale, and then add another 1.5 pounds of ground beef to the scale, what is the change in the cost of the purchase,

\\\\Delta c

?\ f. Will an increase of 1.5 pounds of ground beef always result in the same increase in cost? Discuss and provide at least two different justifications for your answer.\ g. T or F: If

n

and

c

are proportional, then

n

and

c

are changing together at a constant rate of change. (Justify your answer or provide a counter example.)\ h. T or F: If

n

and

c

are changing together at a constant rate of change, then

n

and

c

are proportional. (Justify your answer or provide a counter example.)

e. If you have 2 pounds of ground beef on the scale, and then add another 1.5 pounds of ground beef to the scale, what is the change in the cost of the purchase, c ? f. Will an increase of 1.5 pounds of ground beef always result in the same increase in cost? Discuss and provide at least two different justifications for your answer. g. T or F: If n and c are proportional, then n and c are changing together at a constant rate of change. (Justify your answer or provide a counter example.) h. T or F: If n and c are changing together at a constant rate of change, then n and c are proportional. (Justify your answer or provide a counter example.)