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IFoA_CAA_M0 Exam - Topic 9 Question 82 Discussion

For -3.14 x +3.14, the graph of the function, sin x, is show below.Identify the range of this defined function.
B) [0,1]
A) [-1,1]
C) (-1,1)
D) (-1,1]

IFoA_CAA_M0 Exam - Topic 9 Question 82 Discussion

Actual exam question for IFoA's IFoA_CAA_M0 exam
Question #: 82
Topic #: 9
[All IFoA_CAA_M0 Questions]

For -3.14 x +3.14, the graph of the function, sin x, is show below.

Identify the range of this defined function.

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Suggested Answer: B

by Audra at Mar 21, 2025, 02:18 PM

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Marguerita
7 months ago
I thought the range was (0, 1) at first, but I see the confusion.
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Zack
7 months ago
Wait, are you sure? I thought it could go beyond that.
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Elouise
7 months ago
It's definitely not [0, 1], that's for sure!
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Lucina
7 months ago
Totally agree, it's always been that way!
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Paulene
8 months ago
The range of sin x is definitely [-1, 1].
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Maricela
8 months ago
I’m leaning towards option D, (-1, 1], because I remember the sine function reaching 1 but not going below -1.
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Naomi
8 months ago
I think the range is definitely between -1 and 1, but I can't recall if it includes -1. I should have reviewed that part more.
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Benton
8 months ago
I’m a bit unsure about the endpoints. Is the range [-1, 1] or (-1, 1)? I feel like I saw a similar question in practice.
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Clorinda
9 months ago
I remember that the sine function oscillates between -1 and 1, so I think the range should include those values.
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Lanie
9 months ago
I'm a bit unsure about this one. The graph is centered around 0, but the question is asking about the range, which I think is different from the domain. Let me think this through step-by-step.
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Domitila
9 months ago
The range of a sine function is always between -1 and 1, so the answer should be C. (-1,1). I'm confident in this, as I've seen similar questions before.
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Kayleigh
9 months ago
Okay, I can see the graph of the sine function, but I'm not sure how to identify the range from this information. I might need to review my notes on sine functions to answer this properly.
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Roy
9 months ago
Hmm, this looks like a straightforward question about the range of a sine function. I'll need to carefully analyze the graph to determine the minimum and maximum values.
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Xuan
1 year ago
Is it just me, or does the graph look a little tilted? Maybe I need to adjust my angle of attack on this one.
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Vashti
1 year ago
Haha, this question is a real sin-nister trap. But I'm not falling for it, the answer is (-1,1).
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Edwin
1 year ago
I'm going with option D. Gotta love those closed intervals, they really get me every time.
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Brett
1 year ago
I always have to double check when it comes to closed intervals.
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Karina
1 year ago
Yeah, closed intervals always make me second guess my answer.
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Blondell
1 year ago
I think option D is correct too. Closed intervals are tricky.
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Tien
1 year ago
Wait, what? The question asks about the range of the function, not the domain. This is tricky!
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Werner
1 year ago
Oh, I see now. It's not about the domain, it's about the range.
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Cortney
1 year ago
C) (-1,1)
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Malika
1 year ago
A) [-1,1]
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Nobuko
1 year ago
But the graph shows that sin x never reaches -1 or 1, so it should be (-1,1).
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Merlyn
1 year ago
The graph clearly shows the range of sin(x) is between -1 and 1, so the answer must be (-1,1).
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Rebeca
1 year ago
Yes, the range of sin(x) is between -1 and 1.
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Rebeca
1 year ago
I think the answer is (-1,1).
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Irene
1 year ago
I disagree, I believe the range is (-1,1).
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Nobuko
1 year ago
I think the range is [-1,1].
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