Find the domain of f (x)= Sq root x-4?

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Find the domain of f (x)= Sq root x-4?

2007-06-14 17:24:14 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

4 answers

sqroot[ ] that mean [ ] is >=0
then x - 4 > =0
you get x >=4

2007-06-14 17:32:12 · answer #1 · answered by PaeKm 3 · 0⤊ 0⤋

2007-06-15 00:55:04 · answer #2 · answered by ? 5 · 0⤊ 0⤋

x>=4

2007-06-15 00:27:43 · answer #3 · answered by shamu 2 · 0⤊ 0⤋

Is just asking you to find the values on where the Sqrt (x-4) is real and positive. Otherwise you have imaginary answers.
With that information x-4 >0 then x >4
The domain is [4, infinity)

2007-06-15 00:44:33 · answer #4 · answered by Raul T 6 · 0⤊ 0⤋