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Find the vertex and write the quadratic function in vertex form (which our OpenStax textbook also calls the standard form). f(a:)=a:28x + 52 Give the vertex. Enter your answer as a point (a, b). Vertex: 3; :1 Enter the coordinates of the vertex to write f (as) in vertex form: f(:) = (:1: Number )2+ Number Which of the following best represents the graph of this function, considering the location (quadrant) of the vertex and the direction that the graph opens