Edexcel D2 2019 June — Question 7

Exam BoardEdexcel
ModuleD2 (Decision Mathematics 2)
Year2019
SessionJune
TopicDynamic Programming

7. A company has purchased a plot of land and has decided to build four holiday homes, A, B, C and D, on the land at the rate of one home per year. The company expects that the construction costs each year will vary, depending on which houses have already been constructed and which house is currently under construction. The expected construction costs, in thousands of pounds, are shown in the table below.
\cline { 2 - 7 } \multicolumn{1}{c|}{}ABCDEF
A-5347393540
B53-32464143
C4732-514737
D394651-3649
E35414736-42
F4043374942-
\begin{table}[h]
1234Supply
A1720231425
B1615192229
C1914111532
Demand28172318
\captionsetup{labelformat=empty} \caption{Table 1}
\end{table} 2. You may not need to use all of these tables \begin{table}[h]
\captionsetup{labelformat=empty} \caption{Table 1}
1234Supply
A25
B29
C32
Demand28172318
\end{table}
1234Supply
A25
B29
C32
Demand28172318
1234Supply
A25
B29
C32
Demand28172318
1234Supply
A25
B29
C32
Demand28172318
1234Supply
A25
B29
C32
Demand28172318
1234Supply
A25
B29
C32
Demand28172318
1234Supply
A25
B29
C32
Demand28172318
1234Supply
A25
B29
C32
Demand28172318
1234Supply
A25
B29
C32
Demand28172318
3.
ABCDE
Frank50734
Gill538101
Harry43790
Imogen63654
Jiao02732
You may not need to use all of these tables
\(A\)\(B\)\(C\)\(D\)\(E\)
\(F\)
\(G\)
\(H\)
\(I\)
\(J\)
ABCDE
F
G
H
I
J
\(A\)\(B\)\(C\)\(D\)\(E\)
\(F\)
\(G\)
\(H\)
\(I\)
\(J\)
\(A\)\(B\)\(C\)\(D\)\(E\)
\(F\)
\(G\)
\(H\)
\(I\)
\(J\)
\(A\)\(B\)\(C\)\(D\)\(E\)
\(F\)
\(G\)
\(H\)
\(I\)
\(J\)
\(A\)\(B\)\(C\)\(D\)\(E\)
\(F\)
\(G\)
\(H\)
\(I\)
\(J\)
\(A\)\(B\)\(C\)\(D\)\(E\)
\(F\)
\(G\)
\(H\)
\(I\)
\(J\)
Stephen plays 1Stephen plays 2Stephen plays 3
Eugene plays 1450
Eugene plays 2-211
Eugene plays 3-3-43
4. 5. (a)
b.v.\(x\)\(y\)\(z\)\(r\)\(s\)\(t\)Value
30
60
80
0
You may not need to use all of these tableaux
b.v.\(x\)\(y\)\(z\)\(r\)\(s\)\(t\)ValueRow Ops
\(P\)
b.v.\(x\)\(y\)\(z\)\(r\)\(s\)\(t\)ValueRow Ops
\(P\)
b.v.\(x\)\(y\)\(z\)\(r\)\(s\)\(t\)ValueRow Ops
\(P\)
6. (a) Value of initial flow
(b) and (c)
\includegraphics[max width=\textwidth, alt={}, center]{e0c66144-9e34-42fc-9f40-a87a49331483-20_725_1251_404_349} \section*{Diagram 1}
\includegraphics[max width=\textwidth, alt={}]{e0c66144-9e34-42fc-9f40-a87a49331483-20_1070_1264_1322_349}
\section*{Diagram 2} (d)
(e)
\includegraphics[max width=\textwidth, alt={}, center]{e0c66144-9e34-42fc-9f40-a87a49331483-21_714_1385_1306_283} \section*{Diagram 3} (f)
7. (a)
StageStateActionDest.Value
1ABCDABCD65*
StageStateActionDest.Value
\includegraphics[max width=\textwidth, alt={}]{e0c66144-9e34-42fc-9f40-a87a49331483-24_2642_1833_118_118}