The amounts A (in billions of dollars) donated to support higher education in the United States from 2000 through 2007 are shown in the table, where t represents the year, with t = 0 corresponding to 2000.
Year, tAmount, A0
23.3
1
24.3
2
24
3
24
4
24.5
5
25.7
6
28.1
7
29.9
Use a graphing utility to select a correct a scatter plot of the above data.
A. ?
B. ?
C. ?
D. 
E. ?
Answer: D
Mathematics
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