23. Use the rectangles in the graph given below to approximate the area of the region bounded by y = i, y = O, x = l, and x = 4. Round your answer to three decimal X places. A. 2.48] sq. units 0 B. 6.37] sq. units C. 3.585 sq. units D. 6.872 sq. units E. 6.903 sq. units