The table shows sales in thousands of units of iPods(R), Powerbooks(R) and iMac(R) in the fourth quarter of 2003.
iPods(R)Powerbooks(R)iMac(R)Units (1, 000)1,050220270?
Compute the probability that the item sold in 2003 Q4 was either the iPod(R) or the iMac(R).
?
A. 0.82
B. 0.86
C. 0.18
D. 0.32
E. 0.14
Answer: B
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Find the natural domain of the function.f(x, y) = 
A. All points in the x-y plane except (0, 0) B. All points in the x-y plane except y = 0 C. All points in the x-y plane except x = 0 D. All points in the x-y plane
Determine whether or not the graph is a graph of a function of x.
A. Function B. Not a function
Solve the problem.A company's annual revenue for the period since 2000 can be modeled by the function 
where R is in millions of dollars and n = 0 corresponds to 2000. Assuming the model accurately predicts future revenue, find the year in which the revenue first exceeds $4.52 million.
A. 2013 B. 2009 C. 2010 D. 2011
Change the numbers to their percent equivalents. Round to the nearest tenth of a percent.
A. 9.5% B. 950% C. 95% D. 0.95%