Find the average rate of change of the given function between the following pairs ofx-values. (Enter your answers to two decimal places.)

f(x) =4x²+8

(a)

x= 1

andx= 3

(b)

x= 1

andx= 2

(c)

x= 1

andx= 1.5

(d)

x= 1

andx= 1.1

(e)

x= 1

andx= 1.01

(f)

What number do your answers seem to be approaching?