I need help with number 8

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.

Math each whole number with a rational,exponential expression

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17