Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the median of the following data set. ? Data Values Frequency 2 5 5 4 6 2 ?
A. 2 B. ?5 C. ?6 D. 3.5 E. ?None of the above.
Mathematics
Find y '.y = (4x - 5)(4x3 - x2 + 1)
A. 48x3 + 72x2 - 24x + 4 B. 64x3 - 72x2 + 10x + 4 C. 64x3 - 24x2 + 72x + 4 D. 16x3 + 24x2 - 72x + 4
Mathematics
Find the domain and range of the function.f(x) = -5 + 
A. D: (-?, ?), R: [-5,?) B. D: (-?,0], R: (-?,-5] C. D: [0,?), R: [-5,?) D. D: [0,?), R: (-?, ?)
Mathematics
Solve the problem.In an arithmetic sequence with first term P0 and common difference d, the sum of the first 400 terms is given by
A. 100(2P0 + 399d). B. 200(2P0 + 400d). C. 200(2P0 + 200d). D. 100(2P0 + 200d). E. none of these
Mathematics