Answer :

The functions are:

[tex]\begin{gathered} p(x)=x^2-9x \\ q(x)=\sqrt[]{x-6} \end{gathered}[/tex]

So the product (p*q) is

[tex](p\cdot q)(x)=(x^2-9x)(\sqrt[]{x-6})[/tex]

So the solution is is B)