User:Jieyueli/Fangjian Shang

Fangjian Shang and Jieyue Li will be in love FOREVER!

(1) y=-(x+1)^2+1 -2<=x<=0

(2) y=-(x-1)^2+1 0<=x<=2

(3) y=1/2x^2-2  -2<=x<=2