Determine the equation of the graph and select the correct answer below. (6 points) parabolic function going up from the left and turning at the point negative two comma negative four and going down through the point zero comma negative eight and continuing towards infinity Courtesy of Texas Instruments Group of answer choices y = (x + 2)2 + 4 y = (x − 2)2 − 4 y = −(x − 2)2 − 4 y = −(x + 2)2 − 4