MAT 250 Exam 2 |Questions and Answers Latest Updated 2026 (Graded A+) -Straighterline

4/18/2018 Graded Exam 2


MAT 250 Exam 2 |Questions and Answers Latest Updated 2026 (Graded A+) -Straighterline


Started on Wednesday, April 18, 2018, 11:52 AM
State Finished
Completed on Wednesday, April 18, 2018, 12:53 PM
Time taken 1 hour 1 min
Grade 85.00 out of 125.00 (68%)


Question A 4 ft. long wire could be cut into two pieces. One piece is bent into a circle and the other into a square. What would the length of the side of

1 the square need to be if the sum of the areas is a maximum?

Incorrect
Select one:
0.00 points out
a. 0 ft
of 5.00
b. 0.5 ft


c.

d. 1 ft




The correct answer is: 0 ft




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,4/18/2018 Graded Exam 2
Question What is the derivative of f(x) = 2x?

2
Select one:
Correct
a. 2x−1
5.00 points out
b. 2x ln 2
of 5.00
c. 2x

d. 2x+1




The correct answer is: 2x ln 2




Question
3
Select one:
Correct
a. ex + xex + 2x
5.00 points out

of 5.00
b. 2ex + x

c. xex + x

d. xex + 2x




The correct answer is: ex + xex + 2x




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, 4/18/2018 Graded Exam 2
Question
4
Correct

5.00 points out Select one:
of 5.00
a.


b.


c.


d.




The correct answer is:




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