Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Evaluate the work done between point 1 and point 2 for the conservative field F.F = 6 sin 6x cos 7y cos 4zi + 7 cos 6x sin 7y cos 4zj + 4 cos 6x cos 7y sin 4zk ; P1(0, 0, 0) , P2
A. W = 0 B. W = 2 C. W = -2 D. W = 1
Mathematics
Find the indicated sum.
A. 22
B. 14
C. 7
D. 
Mathematics
Use the quadratic function to determine if the function has a maximum or minimum value and then find this maximum or minimum value.f(x) = 2x2 - 6x
A. minimum at 
B. minimum; (ii) 
C. maximum at 
D. maximum at 
Mathematics
Use the circle graph to solve the problem.A survey of the 6,383 vehicles on the campus of State University yielded the following circle graph. 
Find the number of vans. Round your result to the nearest whole number.
A. 5,936 B. 447 C. 7 D. 128
Mathematics