Respuesta :

Describe the change in the amount over time,

For instance, if you have a graph of this type you can describe it using the linear function

f(x)= mx+b

The slope is m = (y2-y1)/(x2-x1))

Point 1 = (x1,y1)

Point 2 = (x2,y2)

and b is the y-intercept