Eroxl's Notes
Squeeze Theorem
aliases
Sandwich Theorem

The squeeze theorem regards the limit of a function that is bounded between two other functions.

Formally the squeeze theorem is stated as follows

Given the function , , if and then .

Examples

Example 1

Y axisX axis00-0.4-0.4-0.2-0.20.20.20.40.4-0.05-0.050.050.05Expression 1Expression 2Expression 3

The function (shown in red) is "squeezed" between (shown in blue) and (shown in green). Additionally as approaches , and approach . This means that as approaches , also approaches .

Example 2 -