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Mathematics, 19.09.2019 00:30 onewaydemon

The value 4 is an upper bound for the zeros of the function shown below. f(x)= 4x^3 - 12x^2 - x +15 a. true b. false is it true?

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The value 4 is an upper bound for the zeros of the function shown below. f(x)= 4x^3 - 12x^2 - x +15...
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