Graph (A, s ightarrow t ightarrow u ightarrow v ightarrow u ightarrow

Graph \(A, s \rightarrow t \rightarrow u \rightarrow v \rightarrow u \rightarrow w \rightarrow z \rightarrow y \rightarrow x \rightarrow w\)

Use the figure to answer the following exercises. In each exercise, a graph and a sequence of vertices are given. Determine whether each sequence of vertices is an Euler trail, an Euler circuit, or neither for the graph. If it is neither, explain why.

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u Graph A X Graph B W W Graph C Graph D y W