Answer:
Option (D)
Explanation:
Formula to get the average rate of change of the function f(x) between two points x = a and b is,
Average rate of change =

We have to calculate the average rate of change between x = 0 and x = 2.
From the graph attached,
f(0) = -2
f(2) = 6
Therefore, average rate of change =

=

= 4
Option (D) will be the correct option.