△bcd is translated to become △b′c′d′ . △bcd has coordinates b(4, 2) , c(6, 2) , and d(6, 5) . △b′c′d′ has coordinates b′(2, 1) , c′(4, 1) , and d′(4, 4) . which answer describes the translation? vertical translation of 2 followed by a horizontal translation of 1 horizontal translation of −2 followed by a vertical translation of −1 vertical translation of 1 followed by a horizontal translation of 2 horizontal translation of −1 followed by a vertical translation of −2