Chapter 8.1, Problem 55E

To determine

The terms of sum ${\displaystyle \sum _{i=1}^{4}f\left(x_i\right)\Delta x}$, where $x_1=0$, $x_2=2$, $x_3=4$, $x_4=6$, and $\Delta x=0.5$ for function $f\left(x\right)=2x^2$.