Question

Найдите область определения функции

Answer 1

1) √x ≥ 0
2) x - 5 ≠ 0   ⇒   x ≠ 5
    x + 2 ≠ 0   ⇒   x ≠ - 2                                                 

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_____________₀___________________________₀_____________                                                                            
                         -2                    0                                  5

x ∈ [0 ; 5) ∪ (5 ; + ∞)