The following table gives the approximate height at quarter-meter intervals of a mound of gravel. Estimate the volume of the mound by computing the average of the two Riemann sums S 4,3 with lower-left and upper-right vertices of the subrectangles as sample points.

Transcribed Image Text:

0.75 0.1 0.5 0.2 0.25 0.15 0.2 0.4 0.3 0.2 0 0.1 0.15 0.2 0.15 0.1 0.25 0.5 0.75 1 y 0.2 0.2 0.3 x0 0.15 0.1 0.2 0.5 0.4