Find the vertices of the hyperbola.
- 
= 1
A. (-3, 0), (3, 0)
B. (0, 2), (0, -2)
C. (-2, 0), (2, 0)
D. (0, 3), (0, -3)
Answer: B
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Solve the problem.Find the center of mass of the hemisphere of constant density bounded 
and the 
A. 
= 0, 
= 0, 
= 
B. 
= 0, 
= 0, 
= 
C. 
= 0, 
= 0, 
= 3
D. 
= 0, 
= 0, 
= 6
Use an Euler diagram to determine whether the argument is valid or invalid.All painters use paint.All painters use brushes.Some people who use paint are teachers. Some painters are teachers.
A. Invalid B. Valid
Use implicit differentiation to find dy/dx.2xy - y2 = 1
A. 
B. 
C. 
D. 
Provide an appropriate response. A piece of land has 672 feet of frontage on the road and a builder decides to subdivide the land so that each lot has 112 feet of frontage. How many lots will be in the subdivision?
A. 784 lots B. 6 lots C. 8 lots D. 560 lots