Solve the problem.The economy of a small country can be regarded as consisting of three industries, I, II, III, whose input-output matrix isIIIIII 
If x, y, and z represent the outputs of industries I, II, and III respectively, write an algebraic expression for the amount of output from industry II that can be exported.
What will be an ideal response?
y - (0.01x + 0.1y + 0.4z)
Mathematics
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B. 2?2
C. ?2
D. 
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A. 
B. 
C. 
D. 
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Find the intervals on which the function is increasing and the intervals on which the function is decreasing.f(x) = 2x2 + 8x + 6
A. Increasing on (-2, ?); decreasing on (-?, -2) B. Increasing on (2, ?); decreasing on (-?, 2) C. Increasing on (-4, ?); decreasing on (-?, -4) D. Increasing on (8, ?); decreasing on (-?, 8)
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Perform the indicated operation. Write the result in standard form.(1 + 4i) + (6 + 9i) - 6i
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Mathematics