Find the area under the curve of the function on the stated interval. Do so by dividing the interval into n equal subintervals and finding the area of the corresponding circumscribed polygon.f(x) = 2x2 + x + 3 from x = -2 to x = 1; n = 3

A. 25
B. 13
C. 21
D. 17


Answer: B

Mathematics

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