Use the result ei? = cos ? + i sin ? to plot the complex number.-6e(?i)/2
A. 
B. 
C. 
D. 
Answer: B
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Find the average value of the function over the region.f(?, ?, ?) = ? cos ? over the solid lower ball ? ? 10, ?/2 ? ? ? ?
A. 
B. - 2500?
C. - 
D. 
The annual net sales (revenue) earned by the Finnish cell phone company Nokia from January 1999 to January 2004 can be approximated by 
billion euros per year 
where t is time in years (
class="wirisformula" data-wiris-created="true" src="https://sciemce.com/media/3/ppg__cognero__7.4_Applications_to_Business_and_Economics_Consumers_and_Producers_Surplus_and_Continuous_Income_Streams__media__1a81ad64-dcae-4df1-838a-26be5efcc71c.PNG" style="vertical-align:middle;" /> represents January 2000). Suppose that, from January 1999 on, Nokia invested its revenue in an investment yielding 7% compounded continuously. What, to the nearest €10 billion, would the total value of Nokia's revenues have been at the end of 2003? ? A. Total revenue ? 150 billion euros B. Total revenue ? 180 billion euros C. Total revenue ? 160 billion euros D. Total revenue ? 170 billion euros E. Total revenue ? 190 billion euros
Solve the compound inequality. Express the solution using interval notation. Graph the solution set.-8x > -24 and x + 8 > 5
A. (-?, -3) ? (3, ?)
B. (3, ?)
C. (-3, 3)
D. ?
Solve the problem.The price p and the quantity x sold of a certain product obey the demand equation p = - 
x + 200, 0 ? x ? 1000.What price should the company charge to maximize revenue?
A. $120 B. $150 C. $50 D. $100