$\text { Find } F ^ { t } ( x ) \text { given }$

Multiple Choice

$\text { Find } F ^ { t } ( x ) \text { given }$
$F ( x ) = \int _ { - 2 x } ^ { 2 x } s ^ { 2 } d s$

A) $F F ^ { t } ( x ) = 16 x ^ { 2 }$
B) $F ^ { t } ( x ) = 4 x ^ { 2 }$
C) $F ^ { t } ( x ) = 8 x ^ { 2 }$
D) $F ^ { t } ( x ) = 0$
E) $F ^ { t } ( x ) = 24 x ^ { 2 }$