Determine Whether the Function Has an Inverse Function $h ( x ) = - \frac { 4 } { x ^ { 2 } }$

Multiple Choice

Determine whether the function has an inverse function.If it does, find the inverse function.
$h ( x ) = - \frac { 4 } { x ^ { 2 } }$

A) $h ^ { - 1 } ( x ) = \frac { 4 } { x ^ { 2 } }$
B) $h ^ { - 1 } ( x ) = - \frac { x ^ { 2 } } { 4 }$
C) $h ^ { - 1 } ( x ) = - \frac { 4 } { x ^ { 2 } }$
D) $h ^ { - 1 } ( x ) = \frac { x ^ { 2 } } { 4 }$
E) No inverse