ASSIGNMENT ON CHAPTER 1 - KateMarshallMaths...ASSIGNMENT ON CHAPTER 1 Question 2 (CAS FREE) The rule...
Transcript of ASSIGNMENT ON CHAPTER 1 - KateMarshallMaths...ASSIGNMENT ON CHAPTER 1 Question 2 (CAS FREE) The rule...
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Question 1 (CAS FREE)
Let 𝑓: [0, ∞) → 𝑅, 𝑓(𝑥) = √𝑥 + 1
a. State the range of f.
b. Let 𝑔: (−∞, 𝑐] → 𝑅, 𝑔(𝑥) = 𝑥2 + 4𝑥 + 3. Find the largest value of c for which the
composite function : 𝑓(𝑔(𝑥)) is defined.
c. Evaluate: 𝑓(𝑔(−10))
d. Determine the range of 𝑓(𝑔(𝑥)).
e. Let ℎ: 𝑅 → 𝑅, ℎ(𝑥) = √𝑥2 + 3 . Determine the range of the composite function: 𝑓(ℎ(𝑥))
ASSIGNMENT ON CHAPTER 1
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Question 2 (CAS FREE)
The rule for the function h is ℎ(𝑥) = 2𝑥3 + 1. Find the rule for the inverse function ℎ−1
Question 3 (CAS Free)
If the function 𝑓 has the rule: 𝑓(𝑥) = √𝑥2 − 9 and the function g has the rule 𝑔(𝑥) = 𝑥 + 5,
a. find integers c and d such that : 𝑓(𝑔(𝑥)) = √(𝑥 + 𝑐)(𝑥 + 𝑑)
b. Determine the maximal domain of 𝑓(𝑔(𝑥))
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Question 4 (CAS FREE)
Let 𝑓: 𝑅+ → 𝑅, 𝑓(𝑥) =1
𝑥2
a. Find 𝑔(𝑥) = 𝑓(𝑓(𝑥))
b. Evaluate 𝑔−1(16) where 𝑔−1 is the inverse function of 𝑔.
Question 5 (CAS FREE)
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Question 6 (CAS FREE)
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Question 7 (CAS FREE)
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MULTIPLE CHOICE (For all Multiple Choice Questions, CAS is allowed)
Question 1
Question 2
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Question 3
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Question 4
Question 5
Question 6
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Question 7
Question 8
Question 9
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Question 10
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Question 11
Question 12
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Question 13
Question 14