How do u do this? how to find the x

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 total area of the figure?

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal