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Usando o teorema de Bolzano, qual a conclusão correta sobre as raízes da função y = 2x^{3} - 4 no intervalo [0, 2]?

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Leia o trecho a seguir:

A função da derivada parcial em relação a um valor x_i é a derivada de f em relação a x_i uma vez que admitamos todas as outras variáveis como constantes.

Considere a função: f(x,y,z) = 3x + 5y. Derivadas parciais, ao calcular as derivadas parciais da função acima, obtemos:

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