Find the sum of the areas of the shaded rectangles under the graph. Round to two decimal places. [Hint: The width of each rectangle is the difference betwee the x-values at its base. The height of each rectangle is the height of the curve at the left edge of the rectangle.] y 7 6 5 4 3 2 1 y=3√x 1 square units 2 3 4 e

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