Answer :
2< or= -4 7t > or=49
2t/2< or =-28/2t > or = 49
t < or = -14t > or = 49
t/-14t < or = -14t/-14t > or = 49
1< or = -14 > or = 49
2t/2< or =-28/2t > or = 49
t < or = -14t > or = 49
t/-14t < or = -14t/-14t > or = 49
1< or = -14 > or = 49