Math  /  Data & Statistics

QuestionEDGE CR tative Reasoning
The graph represents a person's heart rate in beats per minute during 30 minutes of exercise.
Which statement best describes the relationship between heart rate and time during exercise?
The heart rate remains constant for 6 minutes, increases for 18 minutes, and then gradually decreases for 6 minutes.
The heart rate increases for 6 minutes. remains constant for 18 minutes, and then gradulally fincreases for 6 minutes.
The heart rate decreases for 6 minutes, fentims constant for 18 minutes, and then

Studdy Solution

STEP 1

What is this asking? We're trying to figure out how the heart rate changes over time during a 30-minute exercise session by looking at a graph. Watch out! Don't mix up the order of changes in heart rate!
Pay attention to the sequence: increase, constant, then decrease.

STEP 2

1. Understand the graph
2. Identify the heart rate changes
3. Match with the given statements

STEP 3

First, let's get cozy with this graph!
It's titled "Cardiac Exercise," and it shows how the heart rate, measured in beats per minute (bpm), changes over time, which is measured in minutes.
The x-axis is labeled "Time (min)" and the y-axis is labeled "Heart Rate (bpm)."

STEP 4

Notice how the graph is divided into three parts: an increase, a constant section, and a decrease.
This is the key to understanding the heart rate changes!

STEP 5

Let's break it down!
For the first 6 minutes, the graph shows a sharp increase in heart rate.
This means our heart is working harder as we start exercising!

STEP 6

Next, from 6 to 24 minutes, the graph levels out.
The heart rate remains constant during this time.
It's like our heart has found its groove!

STEP 7

Finally, in the last 6 minutes, from 24 to 30 minutes, the graph shows a gradual decrease in heart rate.
Our heart is cooling down as we finish the exercise.

STEP 8

Now, it's time to match our observations with the statements provided.
We're looking for the statement that describes: an increase for 6 minutes, a constant rate for 18 minutes, and a decrease for 6 minutes.

STEP 9

The correct statement is: "The heart rate increases for 6 minutes, remains constant for 18 minutes, and then decreases gradually for 6 minutes." This matches perfectly with our graph analysis!

STEP 10

The statement that best describes the relationship between heart rate and time during exercise is: "The heart rate increases for 6 minutes, remains constant for 18 minutes, and then decreases gradually for 6 minutes."

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