Evaluate the integral. 
A. 
ln
- 
ln
+ C
B. 
et ln
- 
et ln
+ C
C. 
ln
+ 
ln
+ C
D. 
ln
- 
ln
+ C
Answer: A
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Solve the problem.John owns a hotdog stand. He has found that his profit is represented by the equation 
with P being the profit in dollars, and x the number of hotdogs sold. How many hotdogs must he sell to earn the most profit?
A. 29 hotdogs B. 24 hotdogs C. 48 hotdogs D. 30 hotdogs
Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. -2
+ 5
- 
- 5
A. 21
+ 5
B. -21
+ 5
C. 21
- 5
D. -21
- 5
Solve the problem.Let B = [-1 1 4 -3]. Find -2B.
A. 
B. 
C. 
D. 
Solve the problem.The speed of a vehicle varies inversely as the time it takes to travel a fixed distance. If a vehicle travels a fixed distance at 55 miles per hour in 60 minutes, how fast must it travel to cover the same distance in 50 minutes?
A. 66 mph
B. 
mph
C. 
mph
D. 
mph