Solve the problem.The annual population density of a species of insect after n years is modeled by a sequence. Suppose that the initial density of insects is 624 with r = 0.8. Write a recursive sequence that describes this data, where an denotes the insect density during year n.Find the terms a1 , a2 , a3 , ...... until you are able to interpret the results.
A. The population density increases by 20% each year.
B. The population density decreases by 20% each year.
C. The population density increases by 80% each year.
D. The population density decreases by 80% each year.
Answer: B
Mathematics
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Evaluate the integral.
x dx
A. x cos-1x + 
+ C
B. x cos-1x - 
+ C
C. x cos-1x - 2
+ C
D. x cos-1x - 
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A. {-10 + 
}
B. {5 + 
}
C. {5 ± 
}
D. {-5 ± 
}
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For the function f, use composition of functions to show that f-1 is as given.Let 
. Show that 
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