Question
The graph shows how the depth of a submarine increased as it dove beneath the ocean surface.
The graph titled Submarine depth shows depth in meters on the vertical axis from 0 to 20 in increments of 2 and time in seconds from 0 to 5 on the horizontal axis. The line joins the points (0, 0) and (1, 3).
What can be concluded from the information on the graph?
A.
The submarine’s depth increased at a rate of
1
3
meter per second.
B.
The submarine’s depth increased from 1 meter to 3 meters in 1 second.
C.
The submarine’s depth increased at a rate of 3 meters per second.
D.
The submarine’s depth increased from 1 meter to 3 meters in 3 seconds.
The graph titled Submarine depth shows depth in meters on the vertical axis from 0 to 20 in increments of 2 and time in seconds from 0 to 5 on the horizontal axis. The line joins the points (0, 0) and (1, 3).
What can be concluded from the information on the graph?
A.
The submarine’s depth increased at a rate of
1
3
meter per second.
B.
The submarine’s depth increased from 1 meter to 3 meters in 1 second.
C.
The submarine’s depth increased at a rate of 3 meters per second.
D.
The submarine’s depth increased from 1 meter to 3 meters in 3 seconds.
Answers
GPT-4o mini
To analyze the information given, we can look at the coordinates provided and understand what they represent.
The point (0, 0) indicates that at 0 seconds, the submarine is at 0 meters depth. The point (1, 3) indicates that at 1 second, the submarine is at 3 meters depth.
From this, we can determine the following:
- The submarine's depth increased from 0 meters to 3 meters in 1 second.
- The increase in depth is 3 meters over 1 second, which means the rate of increase is 3 meters per second.
Now let’s evaluate each option:
A. The submarine’s depth increased at a rate of \( \frac{1}{3} \) meter per second.
**Incorrect** – The rate is actually 3 meters per second.
B. The submarine’s depth increased from 1 meter to 3 meters in 1 second.
**Incorrect** – It started at 0 meters and increased to 3 meters, not from 1 to 3 meters.
C. The submarine’s depth increased at a rate of 3 meters per second.
**Correct** – The increase is indeed 3 meters in 1 second.
D. The submarine’s depth increased from 1 meter to 3 meters in 3 seconds.
**Incorrect** – The submarine did not start at 1 meter; it started at 0 meters.
Based on this analysis, the correct conclusion is:
**C. The submarine’s depth increased at a rate of 3 meters per second.**
The point (0, 0) indicates that at 0 seconds, the submarine is at 0 meters depth. The point (1, 3) indicates that at 1 second, the submarine is at 3 meters depth.
From this, we can determine the following:
- The submarine's depth increased from 0 meters to 3 meters in 1 second.
- The increase in depth is 3 meters over 1 second, which means the rate of increase is 3 meters per second.
Now let’s evaluate each option:
A. The submarine’s depth increased at a rate of \( \frac{1}{3} \) meter per second.
**Incorrect** – The rate is actually 3 meters per second.
B. The submarine’s depth increased from 1 meter to 3 meters in 1 second.
**Incorrect** – It started at 0 meters and increased to 3 meters, not from 1 to 3 meters.
C. The submarine’s depth increased at a rate of 3 meters per second.
**Correct** – The increase is indeed 3 meters in 1 second.
D. The submarine’s depth increased from 1 meter to 3 meters in 3 seconds.
**Incorrect** – The submarine did not start at 1 meter; it started at 0 meters.
Based on this analysis, the correct conclusion is:
**C. The submarine’s depth increased at a rate of 3 meters per second.**
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