Note that in each diagram, we use four rectangles to estimate the area under
Think about how the heights of the rectangles in the left-most diagram are
being chosen. Determine the value of
Use the rectangles in the middle diagram to find the value of
Use the rectangles in the right-most diagram to find the value of
Which estimate do you think is the best approximation of
In order to get credit for this problem all answers must be correct.