In a function, what is the independent variable?

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The independent variable in a function is defined as the variable that is manipulated or changed in an experiment or mathematical model to observe how it affects another variable. It is the input of the function, allowing the researcher to examine the relationship between different factors.

When conducting experiments or analyzing functions, identifying the independent variable is crucial because it serves as the basis for determining the effect on the dependent variable, which is the outcome resulting from changes made to the independent variable. This clear distinction helps in understanding cause-and-effect relationships and in drawing conclusions from data. Therefore, acknowledging that the independent variable is the one being changed or controlled reinforces its role in the functional relationship.

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