Asked by htht

What are the domain and range of the function f(x)= sqaurerootx-7 +9?

All Answers 1

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.