In the Previous Problem, the Solution for the Position $x ( t )$

Multiple Choice

In the previous problem, the solution for the position, $x ( t )$ , is

A) $x = e ^ { 4 t } ( \cos ( 4 t ) + \sin ( 4 t ) ) / 2$
B) $x = e ^ { - 4 t } ( \cos ( 4 t ) + \sin ( 4 t ) ) / 2$
C) $x = e ^ { - 4 t } ( \cos ( 8 t ) + \sin ( 8 t ) ) / 2$
D) $x = e ^ { 4 t } ( \cos ( 8 t ) + \sin ( 8 t ) ) / 2$
E) $x = 4 e ^ { 8 t } - 32 t e ^ { 8 t }$