OCR MEI D1 2006 June — Question 1 2 marks

Exam BoardOCR MEI
ModuleD1 (Decision Mathematics 1)
Year2006
SessionJune
Marks2
TopicShortest Path

1 Answer this question on the insert provided. \begin{figure}[h]
\includegraphics[alt={},max width=\textwidth]{c429bfed-9241-409a-9cd5-9553bf16c9df-2_658_739_466_662} \captionsetup{labelformat=empty} \caption{Fig. 1}
\end{figure}
  1. Apply Dijkstra's algorithm to the copy of Fig. 1 in the insert to find the least weight route from A to D. Give your route and its weight.
  2. Arc DE is now deleted. Write down the weight of the new least weight route from A to D , and explain how your working in part (i) shows that it is the least weight.
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