Question

rezolvati in multimea numerelor naturale inecuatia 2ˣ⁺¹≤16

Answer 1

in multimea numerelor naturale
X=1;2 ;3

Answer 2

2ˣ⁺¹ ≤ 16
2ˣ⁺¹ ≤ 2⁴
x + 1 ≤ 4
x ≤ 4 - 1
x ≤ 3
x ∈ {1, 2, 3}