Amotorboat travels 48 miles down a river in the same time it takes to travel 32 miles up the river. if the rate of the current is 4 miles per hour that is the rate of the boat still water?

in mathematics, a function is a relationship between two variables such that the value of one of the variables, called the dependent variable, is determined by the value of the other variable, called the independent variable. there is a specific term we use to describe the set of independent variables of a function.