Answer:
D, F, E, C, A
Explanation:
The rate of change of a linear function is the x-coefficient. That means this problem is asking you to put the positive x-coefficients in order, least to greatest. That ordering would be ...
1/2 (D), 3/4 (F), 4/3 (E), 3/2 (C), 5/2 (A)
__
If the rate of change is negative, the function is decreasing.