Question

Determinati elementele multimii A={x ∈ N| | 2x-1 | mai mic sau egal cu 3 } va rog e urgent !!!!!!

Answer 1

|2x-1|≤3

-3≤2x-1≤3

-2≤2x≤4

-1≤x≤2

x∈[-1;2]

x∈N => x∈{-1,0,1,2}

A={-1,0,1,2}