Match each series to the test that should be used to test for convergence/divergence. While it is possible that each test could apply to more than one series, in this exercise each is only used once. [infinity]
a. ∑2^n/n!
n=1

[infinity]
b. ∑n^2
n=1

[infinity]
c. ∑(-1)^n+1 (n+1)/(3n+1)
n=1

1. Alternating series.
2. Geometric series.
3. Ratio test.
4. nth term test.

Franco wants to double the volume of the cone. what should he do?

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?

In a column proof the right column states your reasons