a)m zerowe x=5 x=-4
f(x)=-x²+x+20 p=1/2 q=-1/4+1/2+20=20i1/4
b)y=20i1/4
c)f maleje w[1/2,∞)
f rośnie w (-∞,1/2]
d)(-∞,-4) i (5,∞)
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a)m zerowe x=5 x=-4
f(x)=-x²+x+20 p=1/2 q=-1/4+1/2+20=20i1/4
b)y=20i1/4
c)f maleje w[1/2,∞)
f rośnie w (-∞,1/2]
d)(-∞,-4) i (5,∞)