Respuesta :
we have
[tex]f(x)=\sqrt{x-3}[/tex]
we know that
The term in the root square can not be a negative number
so
[tex](x-3)\geq0\\x\geq3[/tex]
the domain is the interval----------> [3,∞)
therefore
the answer is the option
B (x-3)=>0
we have
[tex]f(x)=\sqrt{x-3}[/tex]
we know that
The term in the root square can not be a negative number
so
[tex](x-3)\geq0\\x\geq3[/tex]
the domain is the interval----------> [3,∞)
therefore
the answer is the option
B (x-3)=>0