Question

Va rog ajutați-mă!!!

Answer 1

a) |2x-1| ≤ 3
-3 ≤ 2x-1 ≤ 3
-4 ≤ 2x ≤ 2
-2 ≤ x ≤ 1 => x{-2, -1, 0, 1} => A= {-2, -1, 0, 1}
b) x € R => x= [-2, 1]

Answer 2

a=|2x-1| ≤ 3
=-3 ≤ 2x-1 ≤ 3
=-4 ≤ 2x ≤ 2
=-2 ≤ x ≤ 1 => x{-2, -1, 0, 1} => A= {-2, -1, 0, 1}
b)  => x= [-2, 1]

SUCCES!