Straighterline calculus I MAT250 Graded Exam: Topics 4-6 Questions and Answers (2025)

Straighterline calculus I MAT250 Graded Exam: Topics 4-6
Questions and Answers (2025)

• MAT250_TW_V4
• Topic 6: Dealing with Indeterminate Forms



Started on Wednesday, March 5, 2025, 2:20 PM


State Finished


Completed on Wednesday, March 5, 2025, 2:32 PM


Time taken 12 mins 16 secs


Grade 86.67 out of 100.00

Question 1
Correct
3.33 points out of 3.33


Flag question

Question text
Compute dydxdydx for y=x2+1−−−−−√+1x2+1−−−−−√y=x2+1+1x2+1.

Select one:
a.
x(1+x2)−1/2+x(1+x2)−3/2x(1+x2)−1/2+x(1+x2)−3/2
b.
x3(1+x2)−1/2x3(1+x2)−1/2
c.
x3(1+x2)−3/2x3(1+x2)−3/2


d.
(x3+1)(1+x2)−1/2(x3+1)(1+x2)−1/2
Question 2
Correct

, 3.33 points out of 3.33


Flag question

Question text
Compute the derivative of the function

f(x)=14x2−5−−−−−−√f(x)=14x2−5
Select one:
a.
−44x2−5−44x2−5
b.
−4x(4x2−5)4x2−5−−−−−−√−4x(4x2−5)4x2−5


c.
−1(4x2−5)3−−−−−−−−√−1(4x2−5)3
d.
−124x2−5−−−−−−√−124x2−5
Question 3
Correct
3.33 points out of 3.33


Flag question

Question text
Compute the derivative of the function
f(x)=x2+1x2−1−−−−−−√f(x)=x2+1x2−1.
Select one:
a.
−(x2+1x2−1)−1/2−(x2+1x2−1)−1/2
b.
(x2+1x2−1)−1/22x3(x2−1)2(x2+1x2−1)−1/22x3(x2−1)2
c.
−(x2+1x2−1)−1/22x(x2−1)2−(x2+1x2−1)−1/22x(x2−1)2


d.
−(x2+1x2−1)1/22x(x2−1)2−(x2+1x2−1)1/22x(x2−1)2
Question 4
Incorrect
0.00 points out of 3.33