Learn how to evaluate the limit using direct substitution

The video tutorial explains the concept of direct substitution in calculus, focusing on how to determine the value a limit approaches. It discusses the use of graphs to visualize limits and demonstrates the application of direct substitution with a practical example. The tutorial emphasizes that direct substitution is the simplest method for evaluating limits when applicable.

What is the result of plugging in the value 2 into the given equation, and how is this related to the limit?

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What does it mean for a limit to approach a certain value from the left and right?

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