The graph of quadratic function k is shown on the grid. Which statements are best supported by the graph of k? I. The x-intercept is located at (2,1) II. The coordinates of the y-intercept are (0, 5) III. The axis of symmetry is x = 2

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Maximization

Have you ever seen a bridge in the shape of a parabola? Where is its maximum on the bridge? The maximum of that bridge is the highest point on that bridge. The process of finding the maximum of the bridge here is called the maximization.