Răspuns:
A. X apartine[-2,3]
B. [-3,0]
C(-8,-4)
D(-infinit, rad din 3]
E(-inf,3.5)
F [4,infinit)
G[-1,1/2]
H[-5,infinit)
I[-1,5,2,5]
J(-2/3,7/3)
K(-infinit,-4/5]