Solve the system.  x - y + 3z = -23x + z = -2  x + 3y + z = -14

A. (-2, 0, -4)
B. (0, -4, -2)
C. (-4, 0, -2)
D. (-2, -4, 0)


Answer: B

Mathematics

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B. (1, 0), (0, -3)

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A.
B. 1
C. 0
D.

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A. f(x) = , x ? 11,-7, 14
B. f(x) = , x ? -11, 7
C. f(x) = , x ? 11, -7
D. f(x) = , x ? -11, 7

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Solve the problem.The size P of a small herbivore population at time t (in years) obeys the function  if they have enough food and the predator population stays constant. After how many years will the population reach 2700? Round to the nearest hundredth.

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