[질문] 개념원리 팔가 122쪽 답좀요...

1.(1)x>-7 (@)x<-9 (3)x≥4 (4)x≤5 (5)x>4 2.(1)x≤1 (2)x≤-8 (3)x<3 (4)x<-3분의14 (5)x≥4 3.(1)x>-4 (2)x≤-7 (3)x<-15 (4)x<5 (5)x≥12 4. x<-2 x≥-1