Express $f ( x ) = \left( 2 + \cos \left( x ^ { 3 } \right) \right) ^ { 2 }$

Essay

Express $f ( x ) = \left( 2 + \cos \left( x ^ { 3 } \right) \right) ^ { 2 }$ as a composition of two functions: $g$ and $h$ such that $f = g \circ h$