Question

Two students in your class, Wilson and Alexis, are disputing a function. Wilson says that for the function, between x = –1 and x = 1, the average rate of change is 0. Alexis says that for the function, between x = –1 and x = 1, the graph goes up through a turning point, and then back down. Explain how Wilson and Alexis can both be correct, using complete sentences.

Answer 1

M= y2- y3 (over) x2- x1