Evaluate the Definite Integral of the Function $\int _ { 0 } ^ { 5 x } ( 2 t + 5 \cos t ) d t$

Multiple Choice

Evaluate the definite integral of the function.
$\int _ { 0 } ^ { 5 x } ( 2 t + 5 \cos t ) d t$ Use a graphing utility to verify your results.

A) $50 \pi ^ { 2 }$
B) $25 \pi ^ { 2 } + 10$
C) $25 \pi ^ { 2 }$
D) $25 \pi ^ { 2 } - 10$
E) $5 \pi ^ { 2 }$