# Math Help - Riemann sums problem

1. ## Riemann sums problem

Hi. My professor assigned the attached problem.

Could anyone be of help explaining how to solve this? He hasn't explained it yet and I'm having some trouble.

Thanks very much.

2. Your $\Delta x=\frac{2-1}{5}=0.2$.
Your partition points are $x_k=1+k\cdot \Delta x$.
The lower sum is $\sum\limits_{k = 0}^4 {f(x_k )\Delta x}$
The upper sum is $\sum\limits_{k = 1}^5 {f(x_k )\Delta x}$.
Now just do the caluclutions.