Найдите область определения функции :[latex]y= frac{ sqrt{x+12} }{ x^{2-1} } [/latex][latex]y= frac{x- sqrt{-x^{2}-7x+8 } }{1+ sqrt{x+3} } [/latex]

[latex]y= frac{ sqrt{x+12} }{ x^{2-1} }= frac{ sqrt{x+12} }{ x } \ left { {{ x+12 geq 0} atop {x eq 0}} ight. \ left { {{ x geq -12} atop {x eq 0}} ight. \ xin(-12; 0)cup(0; +infty)[/latex][latex]y= frac{x- sqrt{-x^{2}-7x+8 } }{1+ sqrt{x+3} } \ left { {{-x^{2}-7x+8 geq 0} atop {x+3 geq 0}} ight. \ left { {{x^2+7x-8 leq 0} atop {x geq -3}} ight. \ left { {{-8 leq x leq 1} atop {x geq -3}} ight. \ -3 leq x leq 1[/latex]