g(x) = x² + 2x - 1
Since its a parabola we have the formula to the vertex
(Xv, Yv) = (-b/2a, -Δ/4a)
(Xv, Yv) = (-2/2.1, -(2² -4.1.(-1))/4.1)
(Xv, Yv) = (-1, -2)
Answer:
the answer is D
Explanation:
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