Question

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

Answer 1

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

Explanation:

`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]