1) Considerando o conjunto A = {1, 2, c, a, b}, podemos afirmar que: * 1 pontoA) 1 ∉ A.B) c ∉
1) Considerando o conjunto A = {1, 2, c, a, b}, podemos afirmar que: *1 ponto
A) 1 ∉ A.
B) c ∉ A.
C) d ∉ A.
D) f ∈ A
Warning: mysqli::__construct(): (HY000/1226): User 'u875436841_outros' has exceeded the 'max_connections_per_hour' resource (current value: 500) in /home/storage/8/1e/34/salvaeu1/public_html/pages/NewAnswer.php on line 21
Fatal error: Uncaught Error: mysqli object is already closed in /home/storage/8/1e/34/salvaeu1/public_html/pages/NewAnswer.php:22 Stack trace: #0 /home/storage/8/1e/34/salvaeu1/public_html/pages/NewAnswer.php(22): mysqli->set_charset('utf8') #1 /home/storage/8/1e/34/salvaeu1/public_html/pages/Question.php(408): require_once('/home/storage/8...') #2 {main} thrown in /home/storage/8/1e/34/salvaeu1/public_html/pages/NewAnswer.php on line 22