For the function f(x) = (x − 2)2 + 4, identify the vertex, domain, and range.

Question

Possible Answers

 The vertex is (−2, 4), the domain is all real numbers, and the range is y ≥ 4.

 The vertex is (−2, 4), the domain is all real numbers, and the range is y ≤ 4. 

The vertex is (2, 4), the domain is all real numbers, and the range is y ≤ 4.

 The vertex is (2, 4), the domain is all real numbers, and the range is y ≥ 4.

Answer 1

The vertex is (2,4)

The domain is the whole real line.

The range is [4,∞)