Mathematics, 25.06.2019 19:30 brandon1748

For a quadratic function ƒ(x)=ax2+bx+c, ƒ(−1)< 1, ƒ(1)> −1, and ƒ(3)< −4. what could be the sign of a?

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For a quadratic function ƒ(x)=ax2+bx+c, ƒ(−1)< 1, ƒ(1)> −1, and ƒ(3)< −4. what could be the...

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