Which equation could generate the curve in the graph below?

On a coordinate plane, a parabola is in quadrant 2 and opens up. The vertex is on the x-axis.
y = 9x2 + 6x + 4
y = 6x2 – 12x – 6
y = 3x2 + 7x + 5
y = 2x2 + 8x + 8