The results of an analysis, on the makeup of garbage, done by the Environmental Protection Agency was published in 1990. Some of the results are given in the following table, which for various years gives the number of pounds per person per day of various types of waste materials. Waste Materials
1960
1970
1980
1988
Glass
0.20
0.34
0.36
0.28
Plastics
0.01
0.08
0.19
0.32
Metals
0.32
0.38
0.35
0.34
Paper
0.91
1.19
1.32
1.60

For plastics, calculate the average rates of change between consecutive data points in the table. Interpret the meaning of your results.
a.
The rate of increase increases from each decade to the next.
c.
The rate of increase increases during the 1970's, but then decreases during the 1980's.
b.
The rate of increase decreases from each decade to the next.
d.
The rate of increase decreases during the 1970's, but then increases during the 1980's.

Please select the best answer from the choices provided

A
B
C
D