Find the value of the determinant.
A. 64
B. -8
C. 8
D. 4
Answer: C
Mathematics
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Find the average value of the function f over the given region.f(x, y) = 
over the square 1 ? x ? 2, 1 ? y ? 2.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Suppose T is a tree with 21 vertices. Then
A. T has no bridges. B. T has 20 bridges. C. T has one bridge. D. T can have any number of bridges. E. none of these
Mathematics
Solve the equation.-9x + 6(2x - 3) = -11 - 4x
A. {1}
B. 
C. 
D. {-1}
Mathematics
The figure shows the graphs of the cost and revenue functions for a company that manufactures and sells binoculars. Use the information in the figure to answer the question.
What is the profit when 998 binoculars are produced?
A. $496 B. $3496 C. $5492 D. $2492
Mathematics