Respuesta :

wegnerkolmp2741o

Answer:

2

Step-by-step explanation:

Average rate of change is

f(x2) - f(x1)

----------------

x2 -x1

We know x2 =2 and f(x2) = 5  

x1 = 1 and f(x1) = 3

Using the formula

5-3

-----------

2-1

2/1

2