A construction crew has just built a road. They built the road at a rate of 3 kilometers per week. They built 7.68 kilometers of road. How many weeks did it take them

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.

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value