Solve. Round to the nearest thousandth.ex - 40e-x = 3

A. {1.562, 1.609}
B. {1.609}
C. {2.079}
D. {1.609, 2.079}


Answer: C

Mathematics

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A. 2100 L B. 0.021 L C. 21,000 L D. 0.21 L

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Solve the system by substitution.x = 3y + 7y = x - 5

A. (-4, -1) B. (-4, 1) C. (4, -1) D. (4, 1)

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Find the indicated function.The monthly revenue and cost functions for a manufacturer of stereos are  and  where x denotes the number of stereos produced. What is the monthly profit function? Note: Profit = Revenue - Cost.

A. P(x) = -0.02x2 + 337x + 800,000 B. P(x) = -0.02x2 + 303x - 800,000 C. P(x) = -0.02x2 + 337x - 800,000 D. P(x) = -0.02x2 + 303x + 800,000

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Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the . y = , y = - x + 10

A. ?
B. 72?
C. 128?
D. ?

Mathematics