Question

Помогите с математикой

Answer 1

y`=1-1/(x+5)²
1-1/(x+5)²=0
1/(x+5)²=1
(x+5)²=1
x+5=-1 U x+5=1
x=-6∉[-4;-3] U x=-4∈[-4;-3]
y(-4)=-4+1=-3 наим
y(-3)=-3+1/2=-2 1/2 наиб