Which glide reflection describes the mapping ABC_> DEF? (x, y) (x + 1, y – 2) and reflected across y = 0 (x, y) (x + 1, y – 2) and reflected across y = −1 (x, y) (x + 1, y – 2) and reflected across x = 0 (x, y) (x + 2, y – 1) and reflected across y = −1