Write the equation for the parabola that: . is congruent to y = 4x2 . opens down . has vertex: (-3, 16) Select one: O a. y= - 4(x -3)2 + 16 O b. y= 4(x -3)2 +16 O c. y= 4(x +3)2 + 16 O d. y= - 4(x +3)2 +16 O e. None of these