Solve the problem.Two recording devices are set 3800 feet apart, with the device at point A to the west of the device at point B. At a point on a line between the devices, 200 feet from point B, a small amount of explosive is detonated. The recording devices record the time the sound reaches each one. How far directly north of site B should a second explosion be done so that the measured time difference recorded by the devices is the same as that for the first detonation?
A. 1889.44 feet
B. 8016.23 feet
C. 423.53 feet
D. 1272.55 feet
Answer: C
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Use implicit differentiation to find dy/dx and d2y/dx2.xy - x + y = 3
A. 
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D. 
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Solve the problem.Find the image of the given figure under the translation that takes P to P'.
A. 
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Solve.A city has been growing at a rate of 0.3% annually. If there are currently 3,949,000 residents in the city, how many (to the nearest ten-thousand) would be living in this city eight years from now? Use 
.
A. 10,660,000 B. 4,040,000 C. 260,000 D. 4,070,000
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.3logy3 + logy2
A. logy2 B. logy54 C. 3logy6 D. logy18