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

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Continuity challenge
7 questions
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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.