1Cademy - Dependent Variable of a Mathematical Function

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Function Notation
Independent Variable of a Mathematical Function

Definition

Dependent Variable of a Mathematical Function

For a mathematical function expressed in the notation $y = f(x)$ , the output variable $y$ (which is equivalently written as $f(x)$ ) is known as the dependent variable. It is referred to as 'dependent' because its specific value relies entirely on the value chosen for the independent variable $x$ .