hard · Gre Quant
The function f(x) is defined as f(x) = (x-2)^2 + 3. If the domain is restricted such that f(x) has an inverse function, which of the following is a possible domain?
- All real numbers
- X ≥ 2
- X ≥ 0
- X ≥ 3
- No such domain exists
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