a=1 b=2 c=-3
d)
W(p,q)
p=-b/2a=-2/2=-1
q=f(p) = 1-2-3=-4
W(-1,-4)
wykres:
http://www.wolframalpha.com/input/?i=x^2%2B2x-3
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a=1 b=2 c=-3
d)
W(p,q)
p=-b/2a=-2/2=-1
q=f(p) = 1-2-3=-4
W(-1,-4)
wykres:
http://www.wolframalpha.com/input/?i=x^2%2B2x-3