Solve the problem.Find the slope of the line tangent to the curve 
at the point where 
Round to the nearest hundredth.
A. -163.62
B. 27.89
C. 139.47
D. 30.46
Answer: C
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Solve the problem.A firm estimates that it will sell N units of a product after spending x dollars on advertising, where 
and x is in thousands of dollars. By sketching the function determine how much the company should spend in order to maximize sales, and find the maximum sales.
A. The company should spend $250,000. Maximum sales are 187,488 units B. The company should spend $500,000. Maximum sales are 187,488 units C. The company should spend $500,000. Maximum sales are 62,488 units D. The company should spend $250,000. Maximum sales are 62,488 units
Solve for x in the proportion. If possible, reduce the known fraction first.
= 
A. x = 6 B. x = 2 C. x = 5 D. x = 4
Use this graph to answer the question. 
What were the total sales for 2006?
A. $50,000 B. $48,000 C. $764,000 D. $582,000
Simplify the expression using the order of operations. Write the answer as an improper fraction where appropriate.
A. 2
B. 0
C. 
D. 