Answer:

Step-by-step explanation:
Heart rate will be represented by
, minutes will be represented by
.
Here's the equation I came up with:

We can also rearrange it to look like a point-slope equation. Either way works, it's the same equation.

This works because her heart rate is decreasing by a constant value. The initial heart rate is like the y-intercept, while the amount that it decreases by is the slope.
I hope this helps!
I hope this was what you where looking for
I don’t know really really I don’t know