Evaluate the Following Derivative $\frac { \mathrm { d } } { \mathrm { d } t } \left( p t ^ { 2 } + j t + r \right)$

Multiple Choice

Evaluate the following derivative. $\frac { \mathrm { d } } { \mathrm { d } t } \left( p t ^ { 2 } + j t + r \right)$

A) $2 p t + r$
B) $2 p + j$
C) $2 p t$
D) $2 p t + j$
E) $p t + j$