yy-y-f-f3-f-4–5-5-3-2-3 good
W(p,q)
y=-x^2+4x-3
\Delta=16-12=4
p=\frac{-b}{2a}=\frac{-4}{-2}=2
q=\frac{-\Delta}{4a}=\frac{-4}{-4}=1
Odp. W(2,1)