13 } \atop {-4x>-25}} \right. " alt=" \left \{{ 3x>13 } \atop {-4x>-25}} \right. " align="absmiddle" class="latex-formula">
\frac{13}{3} } \atop {x< \frac{-4}{-25} }} \right. " alt=" \left \{ {{x> \frac{13}{3} } \atop {x< \frac{-4}{-25} }} \right. " align="absmiddle" class="latex-formula">
4.4} \atop {x<6.25}} \right. " alt=" \left \{ {{x>4.4} \atop {x<6.25}} \right. " align="absmiddle" class="latex-formula">
отмечаешь эти координаты на интервале и определяешь область определения