Use the Limit Process to Find the Area of the Region

Multiple Choice

Use the limit process to find the area of the region between $f ( x ) = \frac { 1 } { 8 } \left( x ^ { 2 } + 8 x \right)$ and the x-axis on the interval [1,8].Round your answer upto 1 decimal places.

A) $52.8$
B) $84.3$
C) $543.5$
D) $574$
E) $95.5$