Tara takes her pulse in order to determine her resting heart rate, measured in beats per minute (bpm). She takes it for three minutes, and makes the following chart of the results. We'll assume that Tara's heart rate
is constant over the three-minute period.
Minutes
1
2
3
Beats
60
120
180
Graph the proportional relationship described above, where the coordinate represents minutes and the
y-coordinate represents beats.
y
90
80
70-
60+