Find the asymptotes of the hyperbola.y2 - x2 = 4
A. y = 
x and y = - 
x
B. y = 2x and y = - 2x
C. y = x and y = - x
D. y = 
x and y = - 
x
Answer: C
Mathematics
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Solve the problem.A 20-m-long chain hangs vertically from a cylinder attached to a winch. Assume there is no friction in the system and that the chain has a density of 5 kg/m. How much work is required to wind the entire chain onto the cylinder using the winch?
A. 1,950g J B. 100g J C. 2,000g J D. 1,000g J
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Integrate the function.
A. 9 cos-1 
B. 
sin-1 
C. cos-1 
D. sin-1 
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Combine the following, if possible.-19
+ 7
A. -26x
B. 27
C. 11
D. -12
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Let S be the cube with vertices (±1,±1,±1). Approximate  figures.png)
by using a Riemann sum as in Definition 1, taking the patches to be the squares that are the faces of the cube and the points 
to be the centers of the squares.
 multiple choice.png)
Mathematics