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# 1.02 Introduction to limits - PowerPoint PPT Presentation

1.02 Introduction to limits. Speed limit  the speed which you can reach but not go over “I’ve hit my limit”  I’ve had enough, I can’t take any more In calculus, a limit is the intended value of a function. Definition of a limit. Example 1. Example 1. Example 1. Example 2.

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### 1.02 Introduction to limits

Speed limit  the speed which you can reach but not go over

“I’ve hit my limit”  I’ve had enough, I can’t take any more

In calculus, a limit is the intended value of a function

Definition of a limit

means the limit approaching 3 from the right undefined value (

means the limit approaching 3 from the left

Right and left hand limits

For a limit to exist, the right-hand limit (RHL) and the left-hand limit (LHL) must both exist and must be equal

Right and left hand limits

Therefore, the limit does not exist

• Limits can be evaluated 3 ways: left-hand limit (LHL) must both exist and must be equal

• Graphically

• Algebraically (several different method)

• Using the Sandwich Theorem (only some limits) also known as the squeeze theorem

Evaluating limits

Use your graphing calculator to evaluate each of the following limits (calculator should be in RADIANS)

Evaluating graphically with calculator

homework