Find the limit of the sequence if it converges; otherwise indicate divergence.an = 1 + (-1)n + (-1)n(n+1)
A. 3
B. 1
C. 0
D. Diverges
Answer: D
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Answer the following statement(s) true (T) or false (F)
The best way to teach students how to use graphing calculators is to stand in front of the room and have everyone on the exact same keystroke at any given point in time.
Solve the inequality. Give the solution set in both set-builder notation and graph form.x - 1 < 3 and x + 2 ? 3
A. 
B. 
C. 
D. 
Using the horizontal-line test, determine whether the function is one-to-one.
A. one-to-one B. not one-to-one
Solve the problem.A tank truck hauls oil in a 
horizontal right circular cylindrical tank. If the density of the oil is 
, how much fluid force does the oil exert on each end of the tank when the tank is half full?
A. 12,960 lb B. 4320 lb C. 8640 lb D. 19,440 lb