To find the axis of symmetry of a graph, locate the vertex point. The axis of symmetry is a vertical line that passes through the vertex point and divides the graph into two symmetrical halves.
In the given graph, the vertex point is located at (-1, 3). Therefore, the axis of symmetry is a vertical line passing through x = -1.
So, the axis of symmetry is x = -1.
Use the Graph to find the axis of symmetry
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