9) The rectangles in the graph illustrate a left endpoint Riemann sum for f(x)=(x^2/8) on the interval [4,8].

What is the value of this left endpoint Riemann sum?

The rectangles in the graph illustrate a right endpoint Riemann sum for f(x)=(x^2/8) on the interval [4,8].
what is the value of this right endpoint Riemann sum?

1 answer

Try this site:

http://mathworld.wolfram.com/RiemannSum.html