1. Suppose a parabola has vertex (2, -3) and also passes through the point (4, 1). What is the equation of the parabola in vertex form? a. y= 2x2 - 4x + 3 c. y= (x-2)2 - 3 b. y=-2x2 + 4x - 3 d. y = (x+1)2-3 BAT​