Speed (km/h)
4
6
8
Pulse (bpm)
77
87
97
The table lists...
![subject](/tpl/images/cats/mat.png)
Mathematics, 04.12.2020 21:50 EMQPWE
Speed (km/h)
4
6
8
Pulse (bpm)
77
87
97
The table lists selected values of Sam's walking speed, in kilometers per hour (km/h), and his corresponding
pulse, in beats per minute (bpm). There is a linear relationship between Sam's speed, x, and his pulse, f(x).
Which of the following equations describes f(x)?
A f(x)=x+57
B f(x)=-x+97
Cf(x)=5x+57
c
D f(x) = -5x+97
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