Question

РЕШИТЕ НЕРАВЕНСТВО.

|3+1/(x+3)| < 4

Answer 1

3+1/(x+3)>=0

x>=-3  x<=-10/3

(3x+10)/(x+3)<4

(x+2)/(x+3)>0

x>-2 U x<-3

x<=-10/3 U x>2

]-10/3;-3[

]-22/7;-3[

 

ответ x>2 U x<=-10/3 U ]-22/7;-3[