11. The general equation for a family of quadratic functions is y = a(x + 1)(x - 3). Find the equation of the member that contains the point (-2, 15). * O y= (x+ 1) (x - 3) O y= 3(x + 1) (x – 3) O y = -3(x + 1) (x - 3) O y = -(x+ 1) (x - 3)

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