Find the Second Derivative of Y = $\frac { 1 } { 2 x }$

Multiple Choice

Find the second derivative of y = $\frac { 1 } { 2 x }$ + 3.

A) $\frac { 1 } { 6 x ^ { 4 } }$
B) - $\frac { 1 } { 6 x ^ { 4 } }$
C) 2 $x ^ { 0 }$
D) -6 $x ^ { 4 }$
E) none of these