Find the exact value by using a half-angle identity.cos - 
A. 
B. 
C. 
D. 
Answer: C
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Evaluate the iterated integral.
dx dy
A. 
ln 2 + 
B. 
(ln 2)2 + 
C. 
ln 2 - e2 ln 2 - 
D. 
ln 2 - 
ex2 - 
Perform the operations indicated. Write your answer in simplest form.-4 - 8
A. -12 B. -4 C. 12 D. 4
Solve the problem.A company had net revenues of $8,400,585 in one year. Write the words used to read the revenues.
A. eight million, four hundred thousand, five thousand, eighty-five B. eight million, forty thousand, five hundred eighty-five C. eight million, four hundred thousand, five hundred eighty-five D. eight million, four thousand, five hundred eighty-five
Solve the problem.The logistic growth model 
represents the population of a species introduced into a new territory after t years. When will the population be 60?
A. 14.95 yr B. 3 yr C. 16.07 yr D. 1.87 yr