Răspunsuri

Cel mai inteligent răspuns!
2014-10-13T22:44:48+03:00
D=(-infinit;-2) -->interval
E=0  -->nu e interval
F=[1;+infinit)-->interval
1 5 1
2014-10-13T22:52:25+03:00
In concluzie, toate sunt intervale :DD= ( - infinit ; -2 ) ### E= (-1; 1) ### F= [ 1; +infinit)