Diagonalize the matrix A, if possible. That is, find an invertible matrix P and a diagonal matrix D such that 
A = 
A.
P = 
, D = 
B.
P = 
, D = 
C. Not diagonalizable
D.
P = 
, D = 
Answer: C
Mathematics
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Solve the problem.Find the optimum number of batches (to the nearest whole number) of an item that should be produced annually (in order to minimize cost) if 190,000 units are to be made, it costs $3 to store a unit for one year, and it costs $600 to set up the factory to produce each batch. Assume that units of this item will be sold off throughout the year, so the cost equation will use the average cost.
A. 18 batches B. 24 batches C. 16 batches D. 22 batches
Mathematics
Solve the equation. Give the answer in exact form.e2x - 9ex + 20 = 0
A. {ln 5, ln 4}
B. {e5, e4}
C. {ln (-5), ln (-4)}
D. 
Mathematics
Perform the indicated operations.(-18) ÷ (-3) ? 
A. 3
B. - 
C. -12
D. - 3
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics