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Simplify the fraction:

$$\cfrac { \frac { 1 }{ 2 } { x }^{ 2 }+6x+16}{ 3{ x }^{ 2 }+12x } $$

$\cfrac { { x }^{ 2 }+3x+8 }{ 6{ x }^{ 2 }+24 } $

$\cfrac { { x }^{ 2 }+x+16 }{ 6{ x }^{ 2 }+2x } $

$\cfrac { x+8 }{ 6x }$

$\cfrac { x+4 }{ 3x }$