関数の定義域を見つける方法 - 根号、分数、平方根 - 区間表記
Examples finding the domain of functions
任意の関数のドメインを見つける方法 (NancyPi)
関数の表記法
Domain and range of a function given a formula | Algebra II | Khan Academy
Find The Domain Of Each Rational Function. Set Notation, Interval Notation
Domain and Range in Set Notation Tutorial
Domain of a rational function: Interval notation
A3B Domain and Range
Find the Domain of Each Function Using Interval Notation: f(x) = x/x PLUS 2 MORE EXAMPLES!
関数を学ぶ - 7 分で理解
Domain, Range, and Function Notation
Find the domain and write in interval notation of a square root function
グラフからの関数の領域と範囲
Lesson 2A: Domain, Range, Functions, and Function Notation
Domain & Range and Function Notation
Domain and Range in Inequality Notation Tutorial
Writing the domain of a radical function in interval notation
2.1 - Examples of Domain; Function Notation
10.3 Domain, Range, and Function Notation