Finding the Domain and Range of a Function through Graph Analysis

This video tutorial explains how to find the domain and range of functions by analyzing their graphs. It begins with a review of what functions are, emphasizing the relationship between inputs and outputs. The tutorial then covers graphing lines and parabolas, demonstrating how to determine domain and range visually. It also addresses common misunderstandings about quadratic functions in standard form, clarifying how to correctly identify the range by finding the vertex. The video concludes with practical examples and explanations to solidify understanding.

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