Respuesta :

Answer:

The constant rate of change is 4 inches per day

Step-by-step explanation:

We are finding the slope

That means we need two points

((0,8) and (1,12)

m= (y2-y1)/(x2-x1)

   = (12-8)/(1-0)

    =4/1

The constant rate of change is 4 inches per day