[问答题]
1. Write down the dol vlc,ceq(w(:main and range of the logarithmk5 dpt6iix qb4 +w 4ezu0g85psic function $y=\log _{a}$ x where a>0 and a $\neq 1$ .
2. Given that $\log _{x^{2}} y=9 \log _{y}\left(x^{2}\right)$ , find all the possible expressions of y as a function of x .
