Find the partial fraction decomposition for the rational expression.
A. 
+ 
B. - 
- 
C. - 
- 
D. - 
- 
Answer: D
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A can is made from 6 square inches of aluminum. We can calculate both the height 
, in inches, and the volume V, in cubic inches, from the radius r, in inches, of the can:
?
Find the radius and height of the can of maximum volume. Round your answers to two decimal places.
?
A. The radius is 1.13 inches, and the height is 0.56 inches. B. The radius is 3.34 inches, and the height is 1.83 inches. C. The radius is 1.83 inches, and the height is 3.34 inches. D. The radius is 0.56 inches, and the height is 1.13 inches.
Solve the initial value problem for y as a function of x.(x2 + 4)
= 1, y(2) = 0
A. y = 
sin-1 
- 
B. y = 
tan-1 
- 
C. y = 
- 1
D. y = 
tan-1 
Add or subtract as indicated.
- 
A. 
B. 
C. 
D. 
Find the vertex, focus, and directrix of the parabola. Graph the equation.(x + 3)2 = -(y + 2)
A. vertex: (-3, -2)
focus: (-3, -2.25)
directrix: y = -1.75
B. vertex: (-3, -2)
focus: (-3.25, -2)
directrix: x = -2.75
C. vertex: (3, 2)
focus: (3, 1.75)
directrix: y = 2.25
D. vertex: (3, 2)
focus: (2.75, 2)
directrix: x = 3.25