2:8 , 5 : 10 ... is it equivalent?

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.

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Which of the following vectors are orthogonal to (2,1)? check all that apply