Solve the problem.A rotating beacon is located 15 ft from a wall. The distance from the beacon to the point on the wall where the beacon is aimed is given by a = 15
,where t is time measured in seconds since the beacon started rotating. Find a for 
Round your answer to the nearest hundredth.
A. 60.32 ft
B. -17.12 ft
C. 17.12 ft
D. 38.72 ft
Answer: C
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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, 
v, of a 190 lb. skydiver (mg = 190) when k = 0.006.
A. 177.95 ft/sec B. There is no limiting speed. C. 56.27 ft/sec D. 0.01 ft/sec
Use scientific notation to solve the problem.The distance from the earth to the sun is 92,900,000 miles. How long would it take a rocket, traveling at 2.9 x 103 miles per hour, to reach the sun?
A. 3.2 x 104 hr B. 3.2 hr C. 3.2 x 102 hr D. 3.2 x 103 hr
For what values of x does the series converge absolutely?
A. - 
? x < - 2
B. - 
< x ? - 
C. - 
< x < - 2
D. - 
< x < - 
Subtract the polynomials. Express your answer in standard form.12x4 + 8x3 
A. -7x4 + 6x3 B. 31x4 + 10x3 C. 31x4 + 6x3 D. -7x4 + 10x3