AP®︎ Calculus BC Unit 1: Notes & Study Guide

Prepare for your quiz, test, or the AP exam with a comprehensive review on Unit 1 of AP Calculus BC – Limits and Continuity.

Exam weight: 4%–7%
16 Topics

Unit 1: Limits and Continuity

Explore how limits help analyze change, continuity, and asymptotic behavior.

Begin with Topic 1.1: Introducing Calculus: Can...

To review Unit 1, go through each of the 16 topics below.

Everything you actually need to know for your Unit 1 test, pulled directly from the AP® Calculus BC curriculum.

Topic 1.1
~6 min
Review
Introducing Calculus: Can Change Occur at an Instant?
Introducing Calculus: Can Change Occur at an Instant?
  • Average Rate of Change and the Secant Line
  • Instantaneous Rate of Change and the Tangent Line
  • The Limit Idea That Makes This Possible
Review
Topic 1.2
~6 min
Review
Defining Limits and Using Limit Notation
Defining Limits and Using Limit Notation
  • What a Limit Is
  • Limit Notation and One-Sided Limits
  • Representing Limits in Different Ways
Review
Topic 1.3
~6 min
Review
Estimating Limit Values from Graphs
Estimating Limit Values from Graphs
  • What a limit means on a graph
  • Estimating limits from a graph
  • When a limit does not exist
Review
Topic 1.4
~5 min
Review
Estimating Limit Values from Tables
Estimating Limit Values from Tables
  • What a Limit Is
  • One-Sided Limits
  • Estimating a Limit from a Table
Review
Topic 1.5
~6 min
Review
Determining Limits Using Algebraic Properties of Limits
Determining Limits Using Algebraic Properties of Limits
  • The Algebraic Properties of Limits
  • Direct Substitution and When It Works
  • One-Sided Limits and Algebra
Review
Topic 1.6
~6 min
Review
Determining Limits Using Algebraic Manipulation
Determining Limits Using Algebraic Manipulation
  • What Algebraic Manipulation Does to a Limit
  • Factoring and Canceling Common Factors
  • Rationalizing with Conjugates
Review
Topic 1.7
~5 min
Review
Selecting Procedures for Determining Limits
Selecting Procedures for Determining Limits
  • The Core Question Behind Every Limit
  • The Full Set of Limit Procedures
  • A Fast Decision Process
Review
Topic 1.8
~5 min
Review
Determining Limits Using the Squeeze Theorem
Determining Limits Using the Squeeze Theorem
  • The Squeeze Theorem
  • The Trig Bounds You Need
  • Classic Example Pattern
Review
Topic 1.9
~6 min
Review
Connecting Multiple Representations of Limits
Connecting Multiple Representations of Limits
  • What It Means for a Limit to Exist
  • Numerical Representation
  • Graphical Representation
Review
Topic 1.10
~5 min
Review
Exploring Types of Discontinuities
Exploring Types of Discontinuities
  • What continuity at a point requires
  • Removable discontinuity
  • Jump discontinuity
Review
Topic 1.11
~6 min
Review
Defining Continuity at a Point
Defining Continuity at a Point
  • What It Means for a Function to Be Continuous at \( x = c \)
  • The Three Conditions Broken Down
  • Seeing Continuity on a Graph
Review
Topic 1.12
~5 min
Review
Confirming Continuity over an Interval
Confirming Continuity over an Interval
  • What It Means to Be Continuous on an Interval
  • Functions That Are Continuous on Their Domains
  • Domain Restrictions That Break Continuity
Review
Topic 1.13
~6 min
Review
Removing Discontinuities
Removing Discontinuities
  • Removable Discontinuities and How to Fix Them
  • Algebraic Holes in Rational Functions
  • Making Piecewise Functions Continuous at a Boundary
Review
Topic 1.14
~7 min
Review
Connecting Infinite Limits and Vertical Asymptotes
Connecting Infinite Limits and Vertical Asymptotes
  • Infinite Limits and What They Mean
  • Vertical Asymptotes
  • How to Find Vertical Asymptotes Algebraically
Review
Topic 1.15
~6 min
Review
Connecting Limits at Infinity and Horizontal Asymptotes
Connecting Limits at Infinity and Horizontal Asymptotes
  • Limits at Infinity and End Behavior
  • Horizontal Asymptotes
  • Rational Functions and Degree Rules
Review
Topic 1.16
~6 min
Review
Working with the Intermediate Value Theorem (IVT)
Working with the Intermediate Value Theorem (IVT)
  • The Intermediate Value Theorem
  • What IVT Actually Guarantees
  • The Sign Change Case (Most Common Use)
Review

Notes

1 credit used · 5/5 remaining