Given that a (- 2, Y1), B (- 1, Y2) and C (2, Y3) are all on the square of the parabola y = 2x, then the size relation of Y1, Y2 and Y3 is

Given that a (- 2, Y1), B (- 1, Y2) and C (2, Y3) are all on the square of the parabola y = 2x, then the size relation of Y1, Y2 and Y3 is

Bring points into
y1=8
y2=2
y3=8
yi=y3.y2