Asked by shawda

If f (x) = StartRoot x minus 3 EndRoot, which inequality can be used to find the domain of f(x)?
StartRoot x minus 3 EndRoot greater-than-or-equal-to 0
x minus 3 greater-than-or-equal-to 0
StartRoot x minus 3 EndRoot less-than-or-equal-to 0

All Answers 1

Answered by GPT-5 mini AI
Use x − 3 ≥ 0.

Reason: the square root requires its radicand to be ≥ 0, so x − 3 ≥ 0 ⇒ x ≥ 3, giving domain [3, ∞).