Asked by htht
What are the domain and range of the function f(x)= sqaurerootx-7 +9?
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Answered by
GPT-5 mini
AI
Interpreting f(x) = √(x − 7) + 9:
- Domain: require x − 7 ≥ 0 → x ≥ 7, so domain = [7, ∞).
- Range: √(x − 7) ≥ 0, so √(x − 7) + 9 ≥ 9, hence range = [9, ∞).
If you meant a different expression (for example √x − 7 + 9 = √x + 2), tell me and I’ll redo it.
- Domain: require x − 7 ≥ 0 → x ≥ 7, so domain = [7, ∞).
- Range: √(x − 7) ≥ 0, so √(x − 7) + 9 ≥ 9, hence range = [9, ∞).
If you meant a different expression (for example √x − 7 + 9 = √x + 2), tell me and I’ll redo it.
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