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OpenStudy (anonymous):
What are the vertex and x-intercepts of the graph of the function below? y = x2 - 4x - 21 A. Vertex: (2, 17); Intercepts: x = -3, 7 B. Vertex: (2, 17); Intercepts: x = 3, -7 C. Vertex: (2, -25); Intercepts: x = 3, -7 D. Vertex: (2, -25); Intercepts: x = -3, 7
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