For each graph representation, select the appropriate worst-case time complexity for printing the vertex label of all the neighbors of a given vertex. Assume that vertex label retrieval from a typical integer vertex representation is O(1).  Adjacency Matrix: ________ Edge List: ________ Adjacency List: _________   Choices:  O(V+E), O(E^2), O(V^2), O(E)

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A: Not a walk from vertex x to vertex z for the undirected graph

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A: Answer to both the questions are detailed in step2.

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A: please do support for my efforts, thanks!   ANSWER: time complexity of bfs using adjacency matrix is…

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A: Here is the explanation of the above problem. See below steps.

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A: Below is the answer and explanation:

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A: