Question

Elementele multimii A={x ∈ ℕ | 4<3x - 2≤10}

Answer 1

4 < 3x - 2 ≤ 10 l + 2

6 < 3x ≤ 12 l : 3

2 < x ≤ 4

A = { 3 , 4 }

Answer 2

3X-2<4

3X<6

X<2

3X-2<10

3X<12

X<6

X2 apartine {0,1,2,3,4,5,6}

X1 apartine {0,1}