Solve the problem.The velocity of a body of mass m falling from rest under the action of gravity is given by the equation 
where k is a constant that depends on the body's aerodynamic properties and the density of the air, g is the gravitational constant, and t is the number of seconds into the fall. Find the limiting velocity, limt?? v, of a 460 lb. skydiver (mg = 460) when k = 0.006.
A. 276.89 ft/sec
B. There is no limiting speed.
C. 0.00 ft/sec
D. 87.56 ft/sec
Answer: A
Mathematics
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Let 
. If x is multiplied by 5, how is ?y affected?
?
A. y is multiplied by 125 B. ?y is multiplied by 243 C. 125 is added to y D. 243 is added to y
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Find the product.(9)(-5)(-5)
A. -225 B. -90 C. 235 D. 225
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Solve the problem.Suppose that the population of a certain type of insect in a region near the equator is given by 
where t represents the time in days. Find the rate of change of the population when 
A. 2.2 insects/day B. 1.8 insects/day C. 1.2 insects/day D. 3.6 insects/day
Mathematics
Provide an appropriate response.What is the value of 
for any values of the variables?
A. 0 B. -1 C. 1 D. Undefined
Mathematics