Upper and Lower Sums
Enter a function into the f(x) box.
Slide points A and B to select the start and end values for the sums.
Click the upper sum checkbox and lower sum checkbox.
Use the slide bar to adjust the number of bars under the curve.
1. As n gets larger, what happens to the difference between the integral and the upper sum?
2. As n gets larger, what happens to the difference between the integral and the lower sum?
3. Why is the area always equal to the integral?