First option
Explanation:
3 .0.5 (x_y
Answer:
the 3rd one
The vertex is (3, -0.5). That is why I chose equation 3, because it has (x-3) in the equation, and if (x-3), then x = 3
Alternatively, y = -0.5, and in the 3rd equation, y = 0.5(x-3)^2 - 0.5
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