What angle is opposite AB?
?C
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Evaluate the integral.
5x dx
A. - x cot 5x + ln 
+ C
B. 
x cot 5x - 
ln 
+ C
C. - 5x cot 5x + 25 ln 
+ C
D. - 
x cot 5x + 
ln 
+ C
Write the expression as a pure imaginary number.
A. 
i
B. -8i
C. ±8
D. 8i
Solve the problem.The concentration of a drug in the bloodstream, measured in milligrams per liter, can be modeled by the function, 
where t is the number of minutes after injection of the drug. When will the drug be at its highest concentration? Approximate your answer rounded to two decimal places.
A. t = 4 minutes after the injection is given B. t = 3.65 minutes after the injection is given C. at the time of injection D. t = 0.55 minutes after the injection is given
Find the compound amount for the deposit. Round to the nearest cent.$7100 at 4.6% compounded annually for 3 years.
A. $8125.56 B. $8499.34 C. $8079.80 D. $7426.60