Multiple Choice
The rate of change 
of the total number, in thousand of articles, of research articles in the prominent journal Physics Review written by researchers in Europe is shown in the graph, where t is time in years 
represents the start of 1987) . Use both left and right Riemann sums with 7 subdivisions to estimate the total number of articles in Physics Review written by researchers in Europe in the 14-year period beginning 1987. (Estimate each value of 
to the nearest 0.5) . Use the sums to obtain an estimate of 
. 
A) 60,000 articles
B) 52,000 articles
C) 8,000 articles
D) 56,000 articles
E) 4,000 articles
Correct Answer:
Verified
Correct Answer:
Verified
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