Retail revenue each year from Internet shopping is approximated by the function 
, where 
is measured in billions of dollars and 
is measured in years, with 
corresponding to the beginning of 1997.
?
How fast was the retail revenue/year from Internet shopping changing at the beginning of the year 2000?
?
A. $4.385 billion/yr
B. $4.315 billion/yr
C. $11.625 billion/yr
D. $4.865 billion/yr
Answer: D
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Perform the indicated operations and write the result in standard form.(2 + 3i)(4 - i) - (1 - i)(1 + i)
A. 11 + 10i B. 9 + 10i C. 13 + 10i D. 9 + 14i
Plot a scatter diagram.Draw a scatter diagram of the given data. Find the equation of the line containing the points (2, 1.2) and 
Graph the line on the scatter diagram.
A. y = 0.47x + 0.34
B. y = 0.37x + 0.47
C. y = 0.43x + 0.34
D. y = 0.44x + 0.37
Solve.Jim and Tammi ran a distance of 26,400 feet. A mile is 5280 ft. How many miles did they run?
A. 6 mi B. 5 mi 2640 ft C. 5 mi D. 10 mi
Multiply. Express the product in lowest terms.
? 
A. 
B. 
C. 
D. 