Respuesta :

Answer:

x=5 since if anything smaller than 0 it would be an imaginary number and would not be a real output

Step-by-step explanation:

ferrybukantoro

Answer:

5

Step-by-step explanation:

the function of f(x) = √(x – 5) + 2 will have real outputs , since √(x-5) ≥ 0

=> x - 5 ≥ 0

=> x ≥ 5

so, the input value begin from 5

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