Using variable concepts, it is found that:
A function has the following format: [tex]y = f(x)[/tex], in which each value of y is a function of one value of x, and thus, x is the independent variable and y is the dependent variable.
Then, it can be said that the input of the function is the independent variable and the output is the dependent variable.
In this problem:
You can learn more about independent and dependent variables at https://brainly.com/question/26253877