PLEASE HELP! Which expression is equivalent to [tex]\((st)(6)\)[/tex]?

A. [tex][tex]\(s(t(6))\)[/tex][/tex]

B. [tex]\(s(x) \times t(6)\)[/tex]

C. [tex]\(s(6) \times t(6)\)[/tex]

D. [tex]\(6 \times s(x) \times t(x)\)[/tex]