Evaluate the integral.
A. 
?
B. 
?
C. 
?
D. 
?
Answer: B
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Solve the problem.From a point on a river, two boats are driven in opposite directions, one at 10 miles per hour and the other at 5 miles per hour. In how many hours will they be 45 miles apart?
A. 1 hour B. 3 hours C. 4 hours D. 5 hours
Solve.A boat moves 5 kilometers upstream in the same amount of time it moves 18 kilometers downstream. If the rate of the current is 9 kilometers per hour, find the rate of the boat in still water.
A. 9 kilometers per hour
B. 6
kilometers per hour
C. 3
kilometers per hour
D. 15
kilometers per hour
Find the composition. If f(x) = 6x + 5 and g(x) = x + 3, find (g ? f)(x)
A. 6x + 23 B. 6x2 + 23x + 15 C. 6x2 + 23 D. 6x + 8
The bar graph shows the percent of income spent on leisure activities in various countries of the world. Use the graph to answer the question.
List all countries in the graph in which less than 12% of household income is spent, on average, for leisure activities.
A. China, Australia B. China, Australia, France, Germany C. China, Australia, France D. Germany, Britain, Japan, USA