7 В B 2 D 5. CA 1 4 6. В 3 A 6 3 Sf F 1 3 3 5 6 F С 4 1 E 2 с C 4 E In Exercises 7-12, a transportation network is given. The first number along each arc gives the capacity of the arc. Tell whether the second set of numbers along the arcs is a flow for the network. If so, give the value of the flow. If not, tell why. С 7. 8 C 3,1 3,3 3,1 7,3 2,2 3,2 9,6 5,4 В E A E A В 6,4 4,2 8,6 2,- 7,3 5,3 D D
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S= {A,D} and T={B,C,E} for the network in exercise #8
Tell whether the given sets of S, T form a cut for the network indicated. If so, give the capacity of the cut. If not, tell why.
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