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Definição

Author:Laísa e Antônio
Denomina-se função quadrática a função f: RR que associa, a cada número real x, o número real ax²+bx+c, com a, b e c reais e a0. Exemplos: f(x)= 3x²+2x+6, onde a=3, b=2 e c=6. f(x)= -x²+2-1, onde a=-1, b=2 e c=-1

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