DSC1520 Assignment 4 semester 1 2024

QUIZ




Started on Thursday, 14 February 2024, 2:08 PM
State Finished
Completed on Thursday, 14 February 2024, 2:48 PM
Time taken 40 mins 29 secs
Grade 80.00 out of 100.00

Question 1

Correct

Mark 7.00 out of 7.00




Integrate the function

3
f (x) = ∫ (2 + 2x + x ) dx.





4
a. 2x + x
2
+
x
+ C
4


4
b. 2 + 3
2
+
x
+ C
4



c. 2 + 3x + C

2
d. 2 + 3x + C




Your answer is correct.

The correct answer is:
4
2 x
2x + x + + C
4

, Question 2

Correct

Mark 7.00 out of 7.00




Integrate the function

10
t − √t
f (t) = .
3
t




8
a. t
+
2
+ c 
8 3
3√t


9 −0,5
b. 10t −0,5t

2
3t



c. 7t
6
+ 2, 5t
−3,5




8 −1,5
d. 0, 125t − 0, 67t + c




Your answer is correct.

The correct answer is:
8
t 2
+ + c
8 3
3√t




Question 3

Incorrect

Mark 0.00 out of 7.00




Calculate the integral

e
ln x
∫ dx.
1
x




a. 0, 5


b. −0, 5


c. 2 

d. −2




Your answer is incorrect.

The correct answer is:
0, 5