Determine the equation of the graph, and select the correct answer below. parabolic function going down from the left and turning at the point negative three comma two and going up through the point zero comma twelve and continuing towards infinity courtesy of texas instruments y = (x + 3)2 − 2 y = (x − 3)2 − 2 y = (x + 3)2 + 2 y = (x − 3)2 + 2