p (x)=2-5х²p (1/2)=2-5*(1/2)² = 2-5*(1/4) = 2 - 1 1/4 = 3/4p (4)=2-5*4² = 2-5*16 = 2-80 = -78
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p (x)=2-5х²
p (1/2)=2-5*(1/2)² = 2-5*(1/4) = 2 - 1 1/4 = 3/4
p (4)=2-5*4² = 2-5*16 = 2-80 = -78