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Dada a função f left parenthesis x right parenthesis equals a x ² plus b x plus c com a > 0. Qual o ponto x em que a parábola atinge seu ponto mais baixo?
x equals fraction numerator b over denominator 5 a end fraction
x equals fraction numerator negative increment over denominator 4 a end fraction
x equals fraction numerator negative b over denominator 2 a end fraction Resposta correta
x equals fraction numerator increment over denominator 2 a end fraction
x equals fraction numerator increment over denominator 3 a end fraction
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