Question

C si D atât. Va rog frumos . urgent​

Answer 1

C)  2ˣ≤32

32=2⁵

2ˣ≤2⁵=>x≤5

x∈N*=>x∈{1,2,3,4,5}

C={1,2,3,4,5}

D)

x³≤64

64=4³

x³≤4³=>x≤4

x∈N*=>x∈{1,2,3,4}

D={1,2,3,4}