Determine the indefinite integral. Check your work by differentiation.
dx
A. - 
- 
+ C
B. C
C. 
- 2
+ C
D. 2
- 
+ C
Answer: D
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Solve, rewrite in interval notation, and graph.4x - 10 ? 18 and 2x - 1 > 11
A. (-?, 6) ? [7, ?)
B. [6, 7)
C. (-?, 7]
D. (6, 7]
Solve the equation by completing the square.x2 + 18x = -62
A. {-18 + 
}
B. {9 + 
}
C. {-9 - 
, -9 + 
}
D. {9 - 
, 9 + 
}
Use the compound interest formulas A = P
nt and A = Pert to solve.Find the accumulated value of an investment of $900 at 10% compounded quarterly for 5 years.
A. $1449.46 B. $1474.75 C. $1018.27 D. $1350.00
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 608 with r = 0.8. Write a recursive sequence that describes this data, where an denotes the insect density during year n.
A. an = 0.8 + an-1 , a1 = 608
B. an = 0.8 an-1 , a1 = 608
C. an = 
, a1 = 608
D. an = 0.8 an+1 , a1 = 304