Could someone explain the Reimann sum method and show me an example of how it would be used? (I can provide an example of a problem if it'd make it easier) Thanks!

Question

anonymous · Answer

read the book

jim_thompson5910 · Answer

Go ahead and post the problem

vane11 · Answer

Let f(x) = 3x. Interval [0,2]
   
|dw:1405896373335:dw|	 

Use a Riemann sum with four subintervals of equal length (n = 4) to approximate the area of R. Choose the representative points to be the left endpoints of the subintervals.

Repeat part with eight subintervals of equal length (n = 8).

Sorry the graph isn't the best

vane11 · Answer

supposedly the graph is exactly at 6 and 2

jim_thompson5910 · Answer

the n = 4 means we will break this region

|dw:1405896645171:dw|

into 4 rectangles