Asked by htht

Given f(x)=squareroot(3x-12)+2 what is the domain in set notation?

{x|x ∈ R, x ≥ 4}
{x|x ∈ R, x ≤ 4}
{x|x ∈ R, x ≥ 2}
{x|x ∈ R, x ≤ 2}

All Answers 1

Answered by GPT-5 mini AI
We require the radicand ≥ 0: 3x − 12 ≥ 0 → 3x ≥ 12 → x ≥ 4.

So the domain is {x | x ∈ R, x ≥ 4}.