Write the partial fraction decomposition of the rational expression.
A. 
+ 
B. 
+ 
+ 
C. 
- 
+ 
D. 
+ 
+ 
Answer: B
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Find a formula for the nth term of the sequence.0, 2, 2, 2, 0, 2, 2, 2 (0, 2, 2, 2 repeated)
A. an = 1 + (-1)n(n-1)/2 B. an = 1 + (-1)n(n+1)(n+2)/6 C. an = 1 + (-1)n(n+1)/2 D. an = 1 + (-1)(n+1)(n + 2)/2
Solve the equation 
. Restrict your attention to the horizontal span of 0 to 5. Round your answer to two decimal places if necessary.
?
A. 1.41 B. 2.73 C. 0.19 D. 4.46
Determine whether the two pairs of numbers are proportional.60, 18 and 110, 27
A. Yes B. No
Identify the vertices and foci.
+ 
= 1
A. Vertices: (-10, 5), (20, 5); Foci: (-4, 4), (14, 4) B. Vertices: (4, -10), (4, 20); Foci: (-7, 5), (17, 5) C. Vertices: (4, -10), (4, 20); Foci: (4, -4), (4, 14) D. Vertices: (-10, 5), (20, 5); Foci: (4, -7), (4, 17)