A toy making company has at least 300 squares of felt, 700 oz of stuffing, and 230 ft of trim to make dogs and dinosaurs. A dog uses 1 square of felt, 4 oz of stuffing, and 1 ft of trim. A dinosaur uses 2 squares of felt, 3 oz of stuffing, and 1 ft of trim.It costs the company $1.30 to make each dog and $1.86 for each dinosaur. The company wants to minimize its costs. What are the constants in the corresponding dual model?
A. 4, 3
B. 300, 700, 230
C. 1, 2
D. 1.30, 1.86
Answer: D
Mathematics
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The question(s) that follow refer to the problem of finding the minimum spanning tree for the weighted network shown below.
The total weight of the maximum spanning tree is
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A. f-1(x) = 
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B. f-1(x) = 
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Mathematics