Linear, because the points (1,8) (2,6) (3,4) etc are decreasing at a constant rate of -2.
Answer:
0.78 cubic inches/sec
Step-by-step explanation:
you take 3.9 cubic feet and multiply it by 12 to convert it into inches and you get 46.8 cubic inches. then you divide by 60 to convert minutes to second and you get 0.78. hope that helps