Finding the domain

[maccy]

Hi guys,

Just wondering how I could find the domain of this function:

f(x) = squareroot ( x - 9)

Any help and explains are appreciated!

 

[Deleted member 4993]

Hi guys,

Just wondering how I could find the domain of this function:

f(x) = squareroot ( x - 9)

Any help and explains are appreciated!

Hint:

Square root of negative numbers for real domain.