If T Represents the Number of Hours After 9:30 A on Tuesday

Multiple Choice

If t represents the number of hours after 9:30 A.M. on Tuesday, October 5, 2004, then the graph defines the Dow Jones Industrial Average D as a function of time t. If we represent this function by use the graph to find f(6.5) . ​ ​
Source: Bloomberg Financial Markets, The New York Times, October 6, 2004. Copyright © 2004 The New York Times Co. Reprinted by permission.
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A) 10,220
B) 10,175
C) 10,217
D) 10,160
E) 10,190