Use differentiation to determine whether the integral formula is correct.
dx =
x2(4x + 3)4 + C
A. No
B. Yes
Answer: A
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Write the first four terms of {an}.an = sin (n?)
A. 1, 1, 1, 1 B. 1, 0, -1, 0 C. 0, 0, 0, 0 D. 0, 1, 0, -1
Solve the problem.Let 
be the cost to manufacture x items. Find the average cost per item to produce 30 items.
A. $1330 B. $227 C. $87 D. $244
Solve the problem.John and Tony start from Grays lake at the same time and head for a town 10 miles away. John walks twice as fast as Tony and arrives 3 hours before Tony. Find how fast each walks.
A. Tony: 3 mph; John: 6 mph
B. Tony: 
mph; John: 
mph
C. Tony: 
mph; John: 
mph
D. Cannot be determined without more information
Solve the problem.If the force acting on an object stays the same, then the acceleration of the object is inversely proportional to its mass. If an object with a mass of 10 kilograms accelerates at a rate of 
per second per second by a force, find the rate of acceleration of an object with a mass of 
that is pulled by the same force.
A. 2 meters per second per second B. 45 meters per second per second C. 40 meters per second per second D. 50 meters per second per second