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IFoA_CAA_M0 Exam - Topic 10 Question 91 Discussion

Actual exam question for IFoA's IFoA_CAA_M0 exam
Question #: 91
Topic #: 10
[All IFoA_CAA_M0 Questions]

A recurrence relation is given by: Un = 2Un - 1 + 3

If U0 = 0, calculate U2 =

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Suggested Answer: B

by Shawn at Nov 21, 2025, 03:22 AM

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Tina
13 hours ago
Wait, are you sure about that?
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Shantay
6 days ago
Yeah, U1 is 3, so U2 = 9!
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Ailene
11 days ago
U2 = 2U1 + 3, right?
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Cyril
16 days ago
B) 9 is the way to go. The recurrence relation is easy to understand, and the solution follows logically from the given information.
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Carline
21 days ago
Haha, this question is a piece of cake! The answer is clearly C) 13. Anyone who can't solve this must be sleeping in their math class.
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Jesusita
26 days ago
Hmm, I'm not sure about this one. The recurrence relation looks simple, but I'm getting a different result. I'll have to double-check my work.
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Rolande
1 month ago
D) 21 seems like the correct answer to me. The recurrence relation is straightforward, and if we plug in the values, we should get 21 for U2.
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Essie
1 month ago
I feel like the answer might be 9, but I need to double-check my calculations for U1 and U2.
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Goldie
1 month ago
I practiced a similar question where we had to find terms in a sequence, but I can't remember the exact steps for this one.
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Krystina
2 months ago
If I recall correctly, U1 should be 3, but I'm not entirely sure how to get there.
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Evangelina
2 months ago
I think I remember that we need to calculate U1 first before finding U2.
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Rutha
2 months ago
Okay, let me walk through this step-by-step. U0 = 0, so U1 = 2(0) + 3 = 3. Then U2 = 2(3) + 3 = 9. I'm feeling good about this - the answer is definitely B) 9.
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Quentin
2 months ago
I think I've got this! The recurrence relation is Un = 2Un-1 + 3. So we start with U0 = 0, then U1 = 2(0) + 3 = 3, and finally U2 = 2(3) + 3 = 9. The answer must be B) 9.
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Clement
2 months ago
I think the answer is B) 9. The recurrence relation gives us the formula to calculate the next term, and with U0 = 0, we can easily solve for U2.
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Harley
2 months ago
I think U2 is 9.
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Lisandra
3 months ago
I got 13.
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Yuette
3 months ago
Hmm, I'm a bit confused. How do we use the recurrence relation to calculate U2? I know we need to start with U0, but I'm not sure how to apply the formula correctly. Any tips on the best approach here?
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Stanford
3 months ago
Okay, let's think this through step-by-step. If U0 = 0, then U1 = 2(0) + 3 = 3. So U2 = 2(3) + 3 = 9. I'm pretty confident that the answer is B) 9.
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Melina
3 months ago
Nice work! We nailed it!
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