Find the triple scalar product (u x v) ? w of the given vectors.u = 2i - 4j + 3k; v = -9i - 7j + 9k; w = 4i - 4j + 5k
A. 146
B. -130
C. 518
D. -154
Answer: B
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Find the volume of the solid generated by revolving the region about the given line.The region in the first quadrant bounded by the line y = 2, by the line y = 
, and by the y-axis, about the line y = 2.
A. 
?
B. 
?
C. 
?
D. 
?
Find an explicit formula for an.1, - 
, 
, - 
, 
, . . .
A. an = 
B. an = 
C. an = 
D. an = 
Use the two steps for solving a linear programming problem to solve the problem.A breed of cattle needs at least 10 protein and 8 fat units per day. Feed type I provides 6 protein and 2 fat units at $4 per bag. Feed type II provides 2 protein and 3 fat units at $3 per bag. What mixture of Feed type I and Feed type II will fill the dietary needs at minimum cost? Let x represent the number of bags of Feed type I and y represent the number of bags of Feed type II.
A. 4 bags Feed type I and 0 bags Feed type II B. 1 bag Feed type I and 2 bags Feed type II C. 0 bags Feed type I and 5 bags Feed type II D. 1 bag Feed type I and 1 bag Feed type II
Find the derivative of the function.
?
What will be an ideal response?