If you're seeing this message, it means we're having trouble loading external resources for Khan Academy.
If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.
Sal gives several example of graphs where he highlights positive or negative intervals of the function.
Identify positive and negative regions on graphs of functions
Sal explains what it means for a function to be even, odd, or neither, both algebraically and graphically.
A possible reason why even functions are called "even" and odd functions are called "odd."
Determine if a graphed function is even, odd, or neither.
Sal picks a function that has a given end behavior based on its graph.
Sal picks the function that is odd among three functions given by their graphs.