Use the quotient rule to simplify. Assume all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: C
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Solve the problem.Use the Maclaurin expansion of cos x to find 
.
A. 0
B. 
C. 1
D. ?
The figure shows the velocity v or position s of a body moving along a coordinate line as a function of time t . Use the figure to answer the question. v (ft/sec)
What is the body's speed when t = 10 sec?
A. 3 ft/sec B. 0 ft/sec C. -5 ft/sec D. 5 ft/sec
The late Florence Griffith-Joyner set the United States national and world record in the 100-meter sprint: 10.69 seconds. Jenny Thompson set the United States national record in the 100-meter freestyle swim: 53.12 seconds. How much faster did Griffith-Joyner run the 100 meters than Thompson swam it? ?
A. 41.33 seconds B. 42.44 seconds C. 42.38 seconds D. 42.43 seconds E. 43.54 seconds
Tell whether the statement is true or false.Let A = {1, 2, 3, 4, 5, 6}, B = {3, 5, 7}, C = {1, 2, 4, 6}, D = {1, 6}, and 
{5, 7} ? B
A. True B. False