Найдите область определения функции y=log6(4x-1) и y=log1\9(7-2x)

1)  [latex]y=log_{6}(4x-1) \\ 4x-1\ \textgreater \ 0 \\ 4x\ \textgreater \ 1 \\ x\ \textgreater \ \frac{1}{4} [/latex] D(y)=(1/4; +∞) 2) [latex]y=log_{ \frac{1}{9} }(7-2x) \\ 7-2x\ \textgreater \ 0 \\ -2x\ \textgreater \ -7 \\ x\ \textless \ -7:(-2) \\ x\ \textless \ 3.5[/latex] D(y)=(-∞; 3.5)