Posted by Anonymous on .
To find the domain of a function from its graph...
To find the range of a function from its graph...
To approximate the relative minimum or maximum of a function using a graphing utility,...
Let a(,f(a)) and (b,f(b)) be two points on the graph of a nonlinear function f. The average rate of change of f from a to b is given by:

precal: graphs of functions fill in the blank 
drwls,
[f(b)  f(a)]/(b  a)
is the average rate of change of f(x) from a to b.