What Is the Area Under the Curve Y = $x ^ { 3 }$

Multiple Choice

What is the area under the curve y = $x ^ { 3 }$ + x from x = 1 to x = 2?

A) $\frac { 21 } { 2 }$
B) $\frac { 6 } { 4 }$
C) $6 \frac { 1 } { 4 }$
D) $\frac { 21 } { 4 }$
E) none of these