Solve the problem.If an object is dropped, the distance it falls is given by d = 
gt2, where g is about 32 ft/sec2. Find the distance an object would fall in 4 seconds.
A. 64 ft
B. 128 ft
C. 512 ft
D. 256 ft
Answer: D
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Find 
.5x + y = yln 5
A. 
B. 
C. 
D. 
By calculating an appropriate number of terms, determine if the series converges or diverges. If it converges, find the limit L and the smallest integer N such that 
for 
otherwise indicate divergence.an = 13141/n
A. L = 1, N = 722 B. L = 1, N = 1324 C. L = 0, N = 1324 D. diverges
Find the indicated sum.
A. 1620 B. 1404 C. 1458 D. 1525.5
Solve the problem.A coin is tossed upward from a balcony 242 ft high (ho) with an initial velocity (vo) of 
, according to the formula h(t) = -16t2 + vot + ho, where t is time in seconds. During what interval of time will the coin be at a height of at least 50 ft?
A. 3 sec ? t ? 4 sec B. 0 sec ? t ? 1 sec C. 0 sec ? t ? 4 sec D. 4 sec ? t ? 8 sec