What is the domain of the function: $f(x) =sqrt(x-9)$ ?

Question

1437 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-03-26T11:28:21

Domain is $x>=9 or [9,oo)$

$f(x)= sqrt(x-9) ; f(x)$ is undefined for $x<9$

Therefore domain is $x>=9 or [9,oo)$

graph{(x-9)^0.5 [-50.63, 50.6, -25.3, 25.32]} [Ans]

What is the domain of the function: f(x) =sqrt(x-9)f(x) =sqrt(x-9)?