Using it's concept, it is found that the independent variable is the number of hours worked.
What is the relation between a function and the dependent and independent variables?
A function has the following format: y = f(x).
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.
That is, the input of the function is the independent variable and the output is the dependent variable.
In this problem, the input is the number of hours worked and the output is the salary, hence, the independent variable is the number of hours worked.
More can be learned about independent variables at https://brainly.com/question/1429012
