x > 5, √(x + 5), √ - |x + 5|, √ x = 5, x + 5, X × 5, |x| = 5, x = 5, ∀x ∈ [5;+∞), √x = 5, √x - 5, x≥5, x≤5, X – 5, /x/=5, X:5, X: 5, √(√x) = 5, √(x-5), x-5, (x - 5, (x - 5)³