Solve.3n - 7 = 8
A. 16
B. 5
C. 9
D. 12
Answer: B
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Solve the problem.Find a curve through the origin in the xy-plane whose length from x=0 to x=1 is 
A. y = x2
B. y = ex -1
C. y = 
ex/2 - 
D. y = 
ex/2
Solve the problem.The population of a town was 33,200 at the beginning of 1970. If the population decreased 400 people per year, how many people lived in the town at the beginning of 1985?
A. 27,200 people B. 27,600 people C. 6000 people D. 26,800 people
Perform the indicated operations. If possible, reduce the answer to its lowest terms.
- 
÷ 
A. 
B. 
C. 
D. 
Identify where f is increasing and where f is decreasing.f(x) = x2 + 8x
A. increasing: [8, ?); decreasing (-?, 8] B. increasing: (-?, -4]; decreasing [-4, ?) C. increasing: [-4, ?); decreasing (-?, -4] D. increasing: (-?, 8]; decreasing [8, ?)