Solve.x - 2y + 3z = 4y + 3z = 0 z = -2

A. {(-22 , -6, -2)}
B. {(-20 , -5, -2)}
C. {(20 , 5, -2)}
D. {(22 , 6, -2)}


Answer: D

Mathematics

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The Mexican subsidiary of ThermoMaster manufactures an indoor-outdoor thermometer. Management estimates that the profit (in dollars) realizable by the company for the manufacture and sale of x units of thermometers each week is . ? Find the intervals where the profit function P is increasing and the intervals where P is decreasing. ?

A. increasing on , decreasing on 
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A.
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D. -3

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