Provide an appropriate response.The bar graph shows governmental budget outlays for Country X's Department of Defense for the years 2008 through 2011. Use a signed number to represent the change in outlay for (a) 2008 to 2011 and (b) 2009-2011.
A. (a) -28.7 billion dollars, (b) -6.2 billion dollars
B. (a) 6.2 billion dollars, (b) 16.9 billion dollars
C. (a) -6.2 billion dollars, (b) -16.9 billion dollars
D. (a) 141.2 billion dollars, (b) 151.9 billion dollars
Answer: C
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Use differentiation to determine whether the integral formula is correct.
dx = 
+ C
A. Yes B. No
You randomly select one card from a 52-card deck. Find the probability of selecting the card in the problem.an ace or a 6
A. 
B. 7
C. 
D. 
Solve the problem.A dart is thrown at a number line in such a way that it always lands in the interval 
Let x be the number the dart hits. Suppose the probability density function for x is given byf(x) = 
x2, for 0 ? x ? 7.
Find P(2 ? x ? 5), the probability that it lands in [2, 5].
A. 0.03 B. 0.34 C. 0.43 D. 0.06
Solve the variation problem.The volume V of a given mass of gas varies directly as the temperature T and inversely as the pressure P. A measuring device is calibrated to give 
when 
and 
What is the volume on this device when the temperature is 
and the pressure is 
style="vertical-align: -4.0px;" /> A. 181.5 cubic inches B. 161.5 cubic inches C. 16.5 cubic inches D. 201.5 cubic inches