Average rate of change
The _________ of the function y=f(x) between x=a and x=b is (change in y)/(change in x)
Secant line
The average rate of change is the slope of the _______ between x=a and x=b on the graph of f. The line passes through (a,f(a)) and (b,f(b)).
Linear function
Has a constant rate of change