Given the functions:Evaluate the function for . Write your answer in exact simplified form. Select "Undefined" if applicable.

Given:
[tex]\begin{gathered} f(x)\text{ = x}^3\text{ + 6x} \\ g(x)\text{ = }\sqrt{2x} \end{gathered}[/tex]Explanation:
The required function is given as,
[tex]undefined[/tex]