What is the result of reflecting a point (x,y)(x, y)(x,y) across y=x+1y = x+1y=x+1?
(x−1,y+1)(x-1, y+1)(x−1,y+1)
(y+1,x−1)(y+1, x-1)(y+1,x−1)
(y−1,x+1)(y-1, x+1)(y−1,x+1)
(x+1,y−1)(x+1, y-1)(x+1,y−1)