Solve the problem.A model for advertising response is given by 
where N(a) = the number of units sold and a = the amount spent on advertising, in thousands of dollars. Find N'(2).
A. 277
B. 200
C. 6200
D. 160
Answer: B
Mathematics
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Add or subtract, as indicated.(17x + 14xy - 7y) - (24x - 15xy - 23y)
A. -7x + 29xy + 16y B. -7x - 29xy - 30y C. 3x + 7xy + 30 D. 38xy
Mathematics
The following table shows average rice yield, in tons per hectare, in Asia ?t years since 1980.
510152025
3.323.613.733.954.11?
Use the average rate of change to estimate the yield in 1993.00.
?
A. 4.37 tons per hectare B. 3.68 tons per hectare C. 3.75 tons per hectare D. None of the above
Mathematics
Graph the fraction on a number line.- 
A. 
B. 
C. 
D. 
Mathematics
External social capital can enable firms to
A. gain access to needed resources B. increase or improve their ability to produce quality products C. enter new markets D. all of these
Mathematics