How to determine the domain and range of a function without graphing?

How To Find The Domain and Range of a Quadratic Function

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❖ 関数の定義域を代数的に求める（グラフなし！）❖

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関数の定義域を見つける方法

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電卓を使わずに二次方程式をグラフ化する - ステップバイステップのアプローチ

Memorization Trick for Graphing Functions Part 1 | Algebra Math Hack #shorts #math #school

放物線の頂点を見つける

What's The "Domain" Of This MATH Function?