Order the group of parabolas from widest to narrowest
y = 1/4x 2, y = -1/2x 2, y = 3/2x 2
A
y = 1/4x 2, y = 3/2x 2, y = -1/2x 2
B
y = -1/2x 2, y = 1/4x 2, y = 3/2x 2
C
y = 1/4x 2, y = -1/2x 2, y = 3/2x 2
D
y = 3/2x 2, y = -1/2x 2, y = 1/4x 2
y = 1/4x 2, y = -1/2x 2, y = 3/2x 2
A
B
C
D