Question

Fie M={-3,0,1,2,-1}.Precizați elementele mulțimii M care sun soluții ale inecuației:
a) x+2<3 ;
b)-x+5>-7;
c)-3x>-3;
d)-3+2>-4;
e)4x+1<-2x+3;
f)-2x+1>-x-5.
DAU COROANĂ!!!

Answer 1

a)x <1
-3,-1,0
b)x <12
-3,0,1,2,-1
c)x <1
-3,-1,0
d)-3x>-6
x <2
-3,0,1,-1
e)6x <2
x <1/3
-3,-1,0
f)x <6
-3,0,1,2,-1