Find the vertex, focus, and directrix of the parabola. Graph the equation.y2 = 8x
A. vertex: (0, 0)
focus: (0, 2)
directrix: y = -2
B. vertex: (0, 0)
focus: (2, 0)
directrix: x = -2
C. vertex: (0, 0)
focus: (0, 2)
directrix: y = -2
D. vertex: (0, 0)
focus: (-2, 0)
directrix: x = 2
Answer: B
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Evaluate the integral.
A. e2t + ln
- 
ln
+ C
B. 
e2t - t + ln
+ C
C. e2t + t - 
ln
+ C
D. 
e2t + t - 
ln
+ C
If an average-sized man falls with a parachute, then his velocity 
, in feet per second, t seconds into the fall is given by
.
?
During which period will his velocity be between 9.99 and 12.99 feet per second? Round to two decimal places.
A. From 0.65 seconds on B. From 9.77 seconds on C. From 0.43 to 0.65 seconds into the fall D. From 4.88 to 9.77 seconds into the fall
Write the partial fraction decomposition of the rational expression.
A. 
+ 
B. 
+ 
C. 
+ 
+ 
D. 
+ 
Use the pictograph to answer the question.This pictograph shows projected sales of compact disks (CDs) for a popular rock band for seven consecutive years. 
? = 100,000 CDsApproximately how many fewer CDs will be sold in 2003 than in 2005?
A. 4 CDs B. 400,000 CDs C. 500,000 CDs D. 600,000 CDs