4
advanced-mathFind the vertex of .
A
B
C
D
Correct Answer: A
Choice A is the correct answer. This equation is in the form , where .
- Calculate x-coordinate: .
- Calculate y-coordinate: .
Alternatively, recognize this as a vertical shift of the parent function up by 2 units. The vertex moves from to .
Choice B is incorrect because it swaps x and y. Choice C is incorrect because it ignores the constant term. Choice D is incorrect because it confuses horizontal and vertical shifts.