CASLAN THIS IS FOR YOU WHAT IS 78+345678x3-7

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.

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

∆red ≅ ∆ by rule will give brainiest if possible