Question

Найти область определения функции y=√((x+4)/(x-3))

Answer 1

$y= \sqrt{ \frac{x+4}{x-3}} D(y): x \neq 3 \\ \left \{ {{x+4 \geq 0} \atop {x-3\ \textgreater \ 0}} \right. =\ \textgreater \ \left \{ {{x \geq -4} \atop {x\ \textgreater \ 3}} \right.$