Question

a) A = {x ∈ N | x ≥ 5}

b) B = {x ∈ Z | x > 1}

c) C = {x ∈ N | x < 7}

d) D = {x ∈ N | 2 < x ≤ 5}

POR FAVOR ALGUEM ME AJUDA!!!​

Answer 1

a) A = {x ∈ N | x ≥ 5}  = {5, 6, 7, 8, 9, 10, ...}

b) B = {x ∈ Z | x > 1}  = {2, 3, 4, 5, 6, ...}

c) C = {x ∈ N | x < 7}  = {0, 1, 2, 3, 4, 5, 6}

d) D = {x ∈ N | 2 < x ≤ 5} = {3, 4, 5}