Which set of systems of equations represents the solution to the graph? f(x) = x2 + 2x + 1g(x) = –x2 + 1 f(x) = x2 + 2x + 1g(x) = –x2 – 1 f(x) = –x2 + 2x + 1g(x) = x2 + 1 f(x) = –x2 + 2x + 1g(x) = x2 – 1

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