MAT 101 Exam 4 |Questions and Answers Latest Updated 2026
(Graded A+) -Straighterline
Started on Monday, March 15, 2026, 3:43 PM
State Finished
Completed on Monday, March 15, 2026, 4:06 PM
Time taken 22 mins 58 secs
Grade 118.75 out of 125.00 (95%)
Question The radioactive element americium-241 has a half-life of 432 years. Suppose we start
1 with a 25-g mass of americium-241.
How much will be left after 283 years? Compute the answer to three significant digits.
Correct
6.25 points out Select one:
of 6.25
g
g
g
g
The correct answer is: 15.9 g
Question How long would it take $3,500 to grow to $8,400 if the annual rate is 4.9% and interest
2 in compounded monthly?
Correct
Select one:
6.25 points out
years
of 6.25
years
years
years
The correct answer is: 17.9 years
, Question Find all vertical and horizontal asymptotes.
3
Correct
6.25 points out Select one:
of 6.25
The correct answer is: Vertical asymptotes: none; horizontal asymptote: y = 0.
Question
4
Select one:
Correct
6.25 points out
of 6.25
The correct answer is: 0, –2
Question The population of a certain geographic region is approximately 105 million and grows
5 continuously at a relative growth rate of 1.53%. What will the population be in 5 years?
Compute the answer to three significant digits.
Correct
6.25 points out Select one:
of 6.25
The correct answer is: 113 million people
(Graded A+) -Straighterline
Started on Monday, March 15, 2026, 3:43 PM
State Finished
Completed on Monday, March 15, 2026, 4:06 PM
Time taken 22 mins 58 secs
Grade 118.75 out of 125.00 (95%)
Question The radioactive element americium-241 has a half-life of 432 years. Suppose we start
1 with a 25-g mass of americium-241.
How much will be left after 283 years? Compute the answer to three significant digits.
Correct
6.25 points out Select one:
of 6.25
g
g
g
g
The correct answer is: 15.9 g
Question How long would it take $3,500 to grow to $8,400 if the annual rate is 4.9% and interest
2 in compounded monthly?
Correct
Select one:
6.25 points out
years
of 6.25
years
years
years
The correct answer is: 17.9 years
, Question Find all vertical and horizontal asymptotes.
3
Correct
6.25 points out Select one:
of 6.25
The correct answer is: Vertical asymptotes: none; horizontal asymptote: y = 0.
Question
4
Select one:
Correct
6.25 points out
of 6.25
The correct answer is: 0, –2
Question The population of a certain geographic region is approximately 105 million and grows
5 continuously at a relative growth rate of 1.53%. What will the population be in 5 years?
Compute the answer to three significant digits.
Correct
6.25 points out Select one:
of 6.25
The correct answer is: 113 million people
