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Ch. 2 - Graphs and Functions
Lial - College Algebra 13th Edition
Lial13th EditionCollege AlgebraISBN: 9780136881063당신이 사용하는 게 아니라요?교과서 변경
3장, 문제 3

Fill in the blank(s) to correctly complete each sentence. The equation y = 4x - 6 defines a function with independent variable______ and dependent variable ________ .

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1
Identify the independent variable as the variable that you can choose freely or input into the function. In the equation \(y = 4x - 6\), this is the variable \(x\).
Identify the dependent variable as the variable that depends on the independent variable's value. In the equation \(y = 4x - 6\), this is the variable \(y\) because its value changes based on \(x\).
Therefore, the independent variable is \(x\) and the dependent variable is \(y\).
Understand that in functions, the independent variable is often called the input, and the dependent variable is the output.
So, the completed sentence is: The equation \(y = 4x - 6\) defines a function with independent variable \(x\) and dependent variable \(y\).

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주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Independent Variable

The independent variable is the input or the variable you can freely choose in a function. In the equation y = 4x - 6, x is the independent variable because its values determine the output values of y.
추천 영상:
5:54
Probability of Multiple Independent Events

Dependent Variable

The dependent variable depends on the independent variable and represents the output of the function. In y = 4x - 6, y is the dependent variable because its value changes based on the value chosen for x.
추천 영상:
05:28
Equations with Two Variables

Function Definition

A function relates each input to exactly one output. The equation y = 4x - 6 defines a function where each x-value corresponds to one y-value, illustrating the relationship between independent and dependent variables.
추천 영상:
5:57
Graphs of Common Functions