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♾️AP Calculus AB/BC Review

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Limits @ Infinity and Horizontal Asymptotes

Limits @ Infinity and Horizontal Asymptotes

Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated August 2025

Resources

In this stream limits at infinity, end behavior, and horizontal asymptotes are being discussed. You will discover just how closely these topics are related as we explore them through the use of graphs and algebraic properties of limits. This is a topic that will also build a foundation for infinite series. Multiple examples of finding limits at infinity and horizontal asymptotes are given, including square root functions.