Question

y=√x+2/4-x
Найдите область определения

Answer 1

$y=frac{sqrt{x+2}}{4-x}\\left { {{x+2geq 0} atop {4-xne 0}} right. ; ; ; left { {{xgeq -2} atop {xne 4}} right. ; ; Rightarrow ; ; xin [-2,4)cup (4,+infty )$