By Part 2 of the Fundamental Theorem of Calculus $\int _ { 0 } ^ { \frac { \pi } { 2 } } ( 2 x + \cos x ) d x$

Multiple Choice

By part 2 of the Fundamental Theorem of Calculus, $\int _ { 0 } ^ { \frac { \pi } { 2 } } ( 2 x + \cos x ) d x$ is

A) $\frac { \pi ^ { 2 } + 4 } { 4 }$
B) $\frac { \pi ^ { 2 } - 4 } { 4 }$
C) $\frac { \pi ^ { 2 } + 2 } { 4 }$
D) $\frac { \pi ^ { 2 } - 2 } { 4 }$
E) $\pi ^ { 2 }$