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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

A. 1 1/2 beat per second

B. per second

D. 2 beats per second

Which one

1 answer

B. per second
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