gdy a>0
ZW Y∈ <q , + ∞ )
q = -Δ/4a = -(36-44)/4 = -(-8)/4 = 8/4 = 2
więc:
Y∈ < 2 , + ∞ )
q=-Δ/4a
Δ=6²-4*11=36-44=-8
q=8/4=2
ramiona praboli skierowane ku gorze
Y=<2,+∞)
