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 the graph of the function and the x-axis over the specified interval.
$\begin{array} {l } \text {Function }& \text {Interval }\\f(x) =3 x+1&[0,2]\end{array}$

A) A = 7 square units
B) A = 11 square units
C) A = 10 square units
D) A = 8 square units
E) A = 9 square units