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Mathematics, 30.08.2020 20:01 kingteron6166

Which of the following quadratic functions has a graph that opens downward? A. y= 3/2x^2 -3x+15 B. y= 5/2x-3x^2 C. y= 3x^2-x-1 D. y= -(2x^2-1)

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Which of the following quadratic functions has a graph that opens downward? A. y= 3/2x^2 -3x+15 B. y...

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