Easy -1.8 This is a straightforward recall question requiring only knowledge of the definition of a supersource (connects to all source nodes with no incoming edges). It's multiple choice with no calculation or problem-solving required, making it significantly easier than average A-level questions.
2 The diagram below shows a network of pipes with their capacities.
\includegraphics[max width=\textwidth, alt={}, center]{372edcfa-c3cd-4c83-89e9-2bb5fd9825f1-04_691_1155_340_424}
A supersource is added to the network.
Which nodes are connected to the supersource?
Tick ( ✓ ) one box.
\(A\) and \(B\) □
\(A\) and \(G\) □
\(G\) and \(H\)
\includegraphics[max width=\textwidth, alt={}, center]{372edcfa-c3cd-4c83-89e9-2bb5fd9825f1-04_104_108_1822_685}
\(H\) and \(I\) □
2 The diagram below shows a network of pipes with their capacities.\\
\includegraphics[max width=\textwidth, alt={}, center]{372edcfa-c3cd-4c83-89e9-2bb5fd9825f1-04_691_1155_340_424}
A supersource is added to the network.
Which nodes are connected to the supersource?
Tick ( ✓ ) one box.\\
$A$ and $B$ □\\
$A$ and $G$ □\\
$G$ and $H$\\
\includegraphics[max width=\textwidth, alt={}, center]{372edcfa-c3cd-4c83-89e9-2bb5fd9825f1-04_104_108_1822_685}\\
$H$ and $I$ □
\hfill \mbox{\textit{AQA Further AS Paper 2 Discrete 2023 Q2 [1]}}