What are the values of a and b???

Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

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 upper quartile in the box plot?