dependent variable
The output number of a function. Its value depends on the given function and the chosen value(s) for the independent variable(s).

For example, in y = f(x) = 2x, x is the independent variable, and y is the dependent variable. You are free to choose any value for x as long as it is in the domain of the function. However, the value of y has to change as x changes. When x = 1, y = 2x = 2.


Related Terms: domain of a variable, function, variable


 
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