Find the Jacobian for the indicated change of variables.
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A. 
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B. ?
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C. ?
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D. ?
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E. ?
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Answer: B
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For the graph below, use the nearest neighbor algorithm to find an approximate minimum Hamilton circuit and its weight, starting at the indicated vertex.
Starting at E
A. E ? B ? D ? C ? A ? E ; weight = 31 B. E ? B ? C ? A ? D ? E ; weight = 31 C. E ? B ? C ? A ? D ? E ; weight = 30 D. E ? C ? A ? B ? D ? E ; weight = 28
Use the Gauss-Jordan method to solve the system of equations. If the system has infinitely many solutions, let the last variable be the arbitrary variable.x - y + 2z + w = 1y + z = 4z - w = 1
A. {(2, 3, 1, w)} B. {(-2, 2, 2, 1)} C. ? D. {(2 - 4w, 3 - w, 1 + w, w)}
Add.21.28 + 3.721 + 6.591 + 6.84
A. 39.432 B. 38.432 C. 38.532 D. 38.442
Write the phrase as an algebraic expression. Let x represent the unknown number.Nine subtracted from a number
A. x + 9 B. 9x C. 9 - x D. x - 9