Use an algebraic equation to find the measure of each angle that is represented in terms of x​

Given the following statements, which is the best

Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.

Which of the following expressions is equal to 2x^2+8