Straighterline calculus I MAT250 Topic 5: Implicit Differentiation Graded Quiz: Topics 4 & 5 Questions and Answers

Straighterline calculus I MAT250 Topic 5: Implicit Differentiation
Graded Quiz: Topics 4 & 5 Questions and Answers

• MAT250_TW_V4
• Topic 5: Implicit Differentiation



Started on Wednesday, March 5, 2025, 2:08 PM


State Finished


Completed on Wednesday, March 5, 2025, 2:18 PM


Time taken 10 mins 5 secs


Grade 49.50 out of 55.00 (90%)

Question 1
Correct
2.75 points out of 2.75


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Question text
Calculate f′(x)f′(x) if f(x)=2x9+8x3+5f(x)=2x9+8x3+5.

Select one:
a.
18x8+8x3+518x8+8x3+5
b.
18x8+24x2+518x8+24x2+5
c.
18x8+24x218x8+24x2


d.
18x8+24x18x8+24x
Question 2
Correct

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Question text
Compute the derivative of the function

f(x)=(−x+3x2−x−2)(3x−x−1)f(x)=(−x+3x2−x−2)(3x−x−1).
Select one:
a.
(−1+6x+2x−3)(3x−x−1)+(−x+3x2−x−2)(3+x−2)(−1+6x+2x−3)(3x−x−1)+(−x+3x2−x−2)(3+x−2)


b.
(−1+6x+2x−3)(3+x−2)(−1+6x+2x−3)(3+x−2)
c.
(−1+6x−2x−3)(3x−x−2)+(−x+3x2−x−2)(3+x−2)(−1+6x−2x−3)(3x−x−2)+(−x+3x2−x−2)(3+x−2)
d.
(−1+6x+2x−3)(3−x−2)(−1+6x+2x−3)(3−x−2)
Question 3
Correct
2.75 points out of 2.75


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Question text
Compute the derivative of the function
f(x)=x−1x+1f(x)=x−1x+1.
Select one:
a.
2(x+1)22(x+1)2


b.
−2(x+1)2−2(x+1)2
c.
2(x−1)22(x−1)2
d.
−2(x−1)2−2(x−1)2
Question 4
Correct
2.75 points out of 2.75