104/184 Quiz #3 - P2
October 22/23
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Very short answer questions
1. 2 marks Each part is worth 1 mark. Please write your answers in the boxes.
(a) Differentiate log4 (x4 + 1)
Answer:
(b) Evaluate sec
5π
6
Answer:
Short answer questions — you must show your work
2. 4 marks Each part is worth 2 marks.
(a) The position of an object moving horizonatally after t is given by f (t) = sin(3t ). Find its
initial acceleration at t = 0 seconds.
Answer:
(b) If 2p + 3q = 100, find the marginal revenue at q = 20.
Answer:
Long answer question — you must show your work
sin(2x )
3. 4 marks Find y if x sin(y ) =
.
y
0
3
Answer: