TheSpark 07.06.2021 16:39 you need to split the case of the absolute value. if x+x^2 >= 0, the equation will be y = -x^2, with x <= -1 or x >= 0 if x+x^2 < 0, the equation will be y = -x^2+2x, with -1<x<0 Your graph should look like something in the attachment linked Attachments: