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: LIM‑1 (EU), LIM‑1.C (LO), LIM‑1.C.5 (EK)

AP® is a registered trademark of the College Board, which has not reviewed this resource.