 
Summary: Math 2200 Practice Test 1
Rules:
You are permitted a single 81
2 × 11 sheet of notes,
notes may be on both sides. There are five sections on this
test each of which has three problems. Hand in one prob
lem from each section. If multiple problems are handed
in I will pick which one to grade based on which looks
easiest to grade. Crossing out a problem will remove it
from consideration. The test is graded out of 115 points 
be sure the problems you pick total enough to obtain the
grade you require.
1 Sequences
Problem 1 10 pts
Prove or disprove: The sequence {an : n = 0, 1, . . .} with
an = n
n2+1 converges.
Problem 2 15 pts
Prove or disprove: The sequence
Cos
