Question

estabeleça o dominio da funçao a seguir y=log (x-1) (3x+6)

Answer 1

$x-1\ \textgreater \ 0\ \wedge\ x-1\ne1 \ \wedge\ 3x+6\ \textgreater \ 0 \to \ x\ \textgreater \ 1\ \wedge\ x\ne2\ \wedge\ x\ \textgreater \ -2\\ Dominio: \ \boxed{x\in(1,2)\cup(2,+\infty)}$