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Mathematics, 03.10.2019 02:40 adi593

What are the coordinates of the vertex for f(x) = 2x^2 + 4x + 9?

(−2, 4)
(−1, 7)
(1, 15)
(2, 9)

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What are the coordinates of the vertex for f(x) = 2x^2 + 4x + 9?

(−2, 4)
(−1, 7)<...

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