Solve the problem.Approximate the area under the graph of f(x) = 2x2 + x + 3 from 0 to 6 by partitioning the interval into 6 subintervals of equal length and choosing t to be the left endpoint.
A. 180
B. 221
C. 143
D. 179
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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A. Yes B. No
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A. 5xy(x + 5y) B. 5xy(x + y) C. xy(5x + 25y) D. 5(x2y + 5xy2)
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A. cd B. 1 C. c D. d
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