Match each equation to its solution​

Graph the equation by plotting point x=2

What is the average rate of change for this function for the interval from x=2 to x=4 ?

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.