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The Theorems of Differential Calculus

Below are statements of theorems from differential calculus with accompanying visualizations.

The Squeeze Theorem

If:
  • , , and are all continuous functions over ,
  • ,
  • is between and on , and
  • ,
then .

The Intermediate Value Theorem

If:
  • is continuous over and
  • is a number between and
then there is a number in such that .

The Extreme Value Theorem

If:
  • is continuous over ,
then there are numbers and in such that for every in and for every in .

The Mean Value Theorem

If:
  • is continuous over and
  • is differentiable over ,
then there is a number such that .

L'Hopital's Rule

If:
  • and are both differentiable near ,
  • or , and
  • exists,
then .