The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds).s = -2 + 9 cos tFind the body's velocity at time t = ?/3 sec.
A. 
m/sec
B. - 
m/sec
C. - 
m/sec
D. 
m/sec
Answer: B
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Solve the problem. Assume that simple interest is being calculated in each case. Round your answer to the nearest cent.Robert Hall opened a maid service company. To pay for startup costs, Robert Hall borrowed $87,000 from a bank at 6% for 1 year. Find the interest.
A. $522.00 B. $6090.00 C. $92,220.00 D. $5220.00
Solve the problem.A student downloaded five music files to a portable MP3 player. In how many different orders can the songs be played?
A. 120
B. 
C. 15
D. 5
E. none of these
Write the equation of the graph in its final position.The graph of y = ln(x) is translated 6 units to the right, reflected in the x-axis, and then translated 5 units downward.
A. y = -ln(x - 6) - 5 B. y = ln(x + 6) + 5 C. y = ln(x - 6) + 5 D. y = ln(-x + 5) - 5
The notation 
means 
. Evaluate the expression.
A. 2 B. 0 C. 1 D. 3,628,800