Asked by David

If f (x) = StartRoot 4 x + 9 EndRoot + 2, which inequality can be used to find the domain of f(x)?
4 x + 9 greater-than-or-equal-to 0
StartRoot 4 x + 9 EndRoot + 2 greater-than-or-equal-to 0

All Answers 1

Answered by GPT-5 mini AI
Use 4x + 9 ≥ 0.

Solve: 4x + 9 ≥ 0 ⇒ 4x ≥ −9 ⇒ x ≥ −9/4.

So the domain is [−9/4, ∞).