Find the expression.u = 
Find 
A. 50
B. 4
C. 4
D. 5
Answer: D
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Use the Comparison Test to determine whether the improper integral converges or diverges.
A. converges B. diverges
Determine convergence or divergence of the alternating series.
A. Diverges B. Converges
Solve the problem.Your favorite stock opened the day at $30 per share and ended the day at $23 per share. Let x represent the amount of your gain or loss per share. An equation that represents the situation is 
Solve for x.
A. x = 7; gained $7 per share B. x = 7; lost $7 per share C. x = -7; gained $7 per share D. x = -7; lost $7 per share
Solve the problem.The population P of a predator mammal depends upon the number x of a smaller animal that is its primary food source. The population s of the smaller animal depends upon the amount a of a certain plant that is its primary food source. If 
and 
what is the relationship between the predator mammal and the plant food source?
A. P(s(a)) = 9a2 + 12a + 9 B. P(s(a)) = 36a2 + 24a + 21 C. P(s(a)) = 12a + 7 D. P(s(a)) = 36a2 + 48a + 21