Ineed a ! how can i find the domain of the graph that i

The correct answer is: {x ∈ R : x ≥ 2}

Explanation:
Domain is the set of values of the independent variables for which a function or relation is defined. In this question, any value of x less than 2 will have an imaginary outcome; therefore, they are not included in the domain of the given function g(x) = 

Hence the domain will be any value of x greater than or equal to 2, where x is a real value. It is denoted by {x ∈ R : x ≥ 2}.