Find the production matrix for the input-output and demand matrices using the open model.A = 
, D = 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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At what points is the given function continuous?f(x, y) = tan (x + y)
A. All (x, y) ? (0, 0)
B. All (x, y) ? 
C. All (x, y)
D. All (x, y) such that x + y ? 
, where n is an integer
Mathematics
Write the indicated statement. Use De Morgan's Laws if necessary.If you like me, then I like you.Converse
A. If I like you, then you like me. B. I don't like you if you don't like me. C. I like you if you don't like me. D. If you don't like me, I don't like you.
Mathematics
Solve the equation. Express radicals in simplest form.x2 + 4 = 68
A. ±7 B. 8 C. 34 D. ±8
Mathematics
Use De Moivre's theorem to simplify the expression. Write the answer in a + bi form.(1 + i)20
A. 1024i B. -1024 C. 1024 D. -1024i
Mathematics