Question

HELPPPPP
CORONITAA
15 PUNCTE

Answer 1

a) [3;9]U{3}=[3;9]
b) (-4;5]intersectat cu N= {0,1,2,3,4,5}
c) [- rad13; rad5] intersectat cu Z= {-3,-2,-1,0,1,2}
d) R\ [3;+inf)= (-inf;3)
e) [-6;2]\N= [-6;2]\{0,1,2}