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-Areas of complicated regions are estimated by filling in with shapes whose area is easy to compute. The shape that is most often used in defining the definite integral is ?.
A) the circle
B) the triangle
C) the square
D) the rectangle

Question

Quizplus · Accepted Answer

The rectangle is most often used in defining the definite integral because it allows for the approximation of areas under curves through the method of Riemann sums, where the region is divided into rectangles.

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