Use the image to answer the question.
A graph shows an x-axis representing time in seconds ranging from 0 to 12 in increments of 2. The y-axis represents heartbeats ranging from 0 to 18 in increments of 3. The graph shows a line representing resting heart rate.
What is the average number of heartbeats per second?
(1 point)
Responses
23 beat per second
Start Fraction 2 over 3 End Fraction beat per second
3 beats per second
3 beats per second
112 beats per second
1 Start Fraction 1 over 2 End Fraction beats per second
2 beats per second
2 beats per second
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