Question

Multimea F=[x ii apartine lui N . 3 Mai mic sau egal cu 2x < 18
Va Rog Urgent

Answer 1

F = {x | x ∈ N , 3 ≤ 2x < 18}

3 ≤ 2x < 18
1,5 ≤ x < 9

x ∈ {2, 3, 4, 5, 6, 7, 8}
F = {2, 3, 4, 5, 6, 7, 8}