Provide an appropriate response.Which of the following are points on a vertical line?
A. (5, -7) and (5, 7)
B. (-1, -2) and (1, 3)
C. (1, 2) and (4, 6)
D. (-3, 8) and (1, 8)
Answer: A
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Reverse the order of integration and then evaluate the integral.
A. cos 2 - 1
B. 
(1 - cos 2)
C. 
(1 - cos 2)
D. 5(1 - cos 2)
Use the four-step procedure to solve the variation problem.The amount of gas that a helicopter uses varies directly as the number of hours spent flying. The helicopter flies for 2 hours and uses 18 gallons of fuel. Find the number of gallons of fuel that the helicopter uses to fly for 4 hours.
A. 8 gallons B. 40 gallons C. 36 gallons D. 45 gallons
Differentiate.y = 
? x4
A. 
B. 
C. 
D. 
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 8 kilograms accelerates at a rate of 
per second per second (m/sec2) by a force, find the rate of acceleration of an object with a mass of 
that is pulled by the same force.
A. 10 m/sec2 B. 20 m/sec2 C. 5 m/sec2 D. 18 m/sec2