What is the domain of f(x) = √x – 4 over the set of real numbers?

Answer:
(2) x [tex]\geq \\[/tex] 4
Step-by-step explanation:
Given the sqrt(x), x [tex]\geq \\[/tex] zero
So, given sqrt(x -4), x -4 [tex]\geq \\[/tex] 0
Now solve for x
x - 4 [tex]\geq \\[/tex] 0
x [tex]\geq \\[/tex] 4