Find the quadratic function y = ax^{2} + bx + c whose graph passes through the given points.

(-1, 6), (1, 4), (2, 9)

A. y = 2x^{2} - x + 3

B. y = 2x^{2} + x^{2} + 9

C. y = 3x^{2} - x - 4

D. y = 2x^{2} + 2x + 4

C....................................................................................

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