Which function is graphed? A. y = O B. y = O C. y = O D. y = [x² + 2, x>1 1-x+2, X21 [x² + 2, x≤1 1-x+2, x> 1 [x² + 2, x < 1 -x+2, X21 [x² +2,x21 -x+2, x​