Verify that the matrix is invertible and find its inverse.A = 
A. A-1 = 
B. A-1 = 
C. A-1 = 
D. A-1 = 
Answer: D
Mathematics
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Solve the problem.A number cube labeled with numbers 1, 2, 3, 4, 5, and 6 is tossed. What are the odds in favor of the cube showing a number less than 3?
A. 1:2 B. 1:3 C. 1:1 D. 2:1
Mathematics
Find the extreme values of the function subject to the given constraint.
A. Maximum: 4 at 
minimum: -31 at 
B. Maximum: 8 at 
minimum: -4 at 
C. Maximum: 8 at 
minimum: -31 at 
D. Maximum: 4 at 
minimum: -4 at 
Mathematics
Evaluate the improper integral whenever it is convergent.
?
?
A. 
B. ?
C. ?
D. ?
E. divergent
Mathematics
Express the interval in set-builder notation and graph the interval on a number line.(-3, ?)
A. {x 
}
B. {x 
}
C. {x 
}
D. {x 
}
Mathematics