Find the expected value.Suppose that 1,000 tickets are sold for a raffle that has the following prizes: one $300 prize, two $100 prizes, and one hundred $1 prizes. What is expected value of a ticket?
A. $300
B. $0.60
C. $1
D. $100
Answer: B
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Find the volume of the solid generated by revolving the region about the given line.The region in the second quadrant bounded above by the curve y = 16 - x2, below by the x-axis, and on the right by the y-axis, about the line x = 1
A. 
?
B. 
?
C. 
?
D. 128?
Provide an appropriate response.What does the graph of the equation 
look like?
A. A plane B. A sphere C. A line D. A cylinder
Graph the given function as a solid line (or curve) and its inverse as a dashed line (or curve) on the same set of axes.f(x) = -5x
A. 
B. 
C. 
D. 
Provide an appropriate response.If f(x) ? 0 on the interval [a, b], then 
represents i) the area to the right of the y-axis between y = a and y = b.ii) the area above the x-axis between x = a and x = b.iii) the area below the x-axis between x = a and x = b.
A. None of the above is correct. B. Both ii and iii could be correct. C. Only i is correct. D. Only ii is correct.