Question

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Determine un dominio correspondiente de las siguientes funciones de variable real:
• f(x)=√√√x-1
• g(x)=x₁

Answer 1

the domain of f is the set of all real numbers x such that x ≥ 1.

Explanation:

For the function f(x) = √√√x - 1, the domain is the set of all real numbers x such that x - 1 is nonnegative. This means that the domain of f is the set of all real numbers x such that x ≥ 1.

For the function g(x) = x₁, it is not clear what the function is intended to be. It is possible that this is a typo or that the function is written in a notation that is not familiar to me. Without more information about the function g(x), it is not possible to determine its domain.

unless I misunderstand the question