Asked by deja
If f (x) = StartRoot 4 x + 9 EndRoot + 2, which inequality can be used to find the domain of f(x)?
StartRoot 4 x EndRoot greater-than-or-equal-to 0
4 x + 9 greater-than-or-equal-to 0
4 x 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
Correct inequality: 4x + 9 ≥ 0.
Reason: The expression under the square root must be nonnegative. Solving 4x + 9 ≥ 0 gives x ≥ -9/4, so the domain is [−9/4, ∞).
Reason: The expression under the square root must be nonnegative. Solving 4x + 9 ≥ 0 gives x ≥ -9/4, so the domain is [−9/4, ∞).
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