Approximate the Area of the Region Under the Function Below $[0,2]$

Multiple Choice

Approximate the area of the region under the function below on the interval $[0,2]$ using 8 rectangles. Round your answer to two decimals.
$f(x) =\frac{1}{3} x^{4}$

A) $5.71$ square units
B) $2.86$ square units
C) $3.69$ square units
D) $8.57$ square units
E) $17.13$ square units