If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content
AP Calc: FUN‑4 (EU), FUN‑4.A (LO), FUN‑4.A.2 (EK)
The first derivative test is the process of analyzing functions using their first derivatives in order to find their extremum point. This involves multiple steps, so we need to unpack this process in a way that helps avoiding harmful omissions or mistakes.
Sort by:
AP® is a registered trademark of the College Board, which has not reviewed this resource.