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.