Progress
Continuity at a point
Limits of combined & composite functions
Quiz
5 questions
Continuous functions
Intermediate value theorem
Review: Continuity
Unit test
10 questions

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Continuity challenge
7 questions
Practice
Test your understanding of Continuity with these 10 questions.
About this unit
Continuous functions are, in essence, functions whose graphs can be drawn without lifting up your pen. This may sound simple, but this is in fact a very rich subject. Learn how continuity is defined using limits, and about a main property of all continuous functions -- the Intermediate value theorem.