Question

ФОТОГРАФИЯ!
Найдите область определения функции

Answer 1

$y=frac{sqrt{9-x^2}}{x+1}\\ left { {{9-x^2 geq 0} atop {x+1ne 0}} right. ; left { {{x^2-9 leq 0} atop {xne -1}} right. ; left { {{-3 leq x leq 3} atop {xne -1}} right. \\xin [-3-1)U(-1,3]$