MAT 251 Checkpoint 4 | Score 35/35 | Straighterline

2/3/26, 6:18 PM Benchmark 4: Checkpoint 4: Attempt review




Calculus1l / Benchmark 4: Checkpoint4 / Benchmark 4: Checkpoint 4




Started on Sunday, February 1, 2026, 2:16 PM
State Finished
Completed on Sunday, February 1, 2026, 2:25 PM
Time taken 8 mins 51 secs
Grade 35.00 out of 35.00 (100%)


Question 1

Correct

3.50 points out of 3.50




> 1
What is the sum of 2(E)n?
n=1



Select one:
a
<
R




b.
S TR




C.
[




d.
PN TN




Question 2

Correct

3.50 points out of 3.50




oo
n
Find all possible values of s so that the series Z converges.
n=1
(n? +1)s

Select one:
a. s>1
b. s>2
c. s>0
d. s>1v




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, 2/3/26, 6:18 PM Benchmark 4: Checkpoint 4: Attempt review

Question 3

Correct

3.50 points out of 3.50




Use the direct comparison test to

o0
Inn
determine whether E —— converges or diverges.
n=2
n



Select one:
a <1
Converges by comparison with Z .
‘- n Inn
b oo

Converges by comparison with E R
n=2
—n

1
Diverges by comparison with _
‘4 Inn

Diverges by comparison
with E —.
n=2
n




Question 4

Correct

3.50 points out of 3.50




. 3e™
Use the direct comparison test to determine whether
—
n=2
n* —1
converges or diverges.


Select one:

Converges by comparison with
NI,




Converges by comparison with


21
Diverges by comparison with Z —
—9 nt

Diverges by comparison with E —_
. - - w e




n




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