In one variable, a linear function can be written as follows: This is identical to the given formula for a linear relationship except that the symbol f(x) is used in place of y. This substitution ...

During the course of operation, businesses accumulate all kinds of data such as numbers related to sales performance and profit, and information about clients. Companies often seek out employees ...

Can you do it by hand? Why yes. Suppose I take the same data from the pylab example and I imagine trying to add a linear function to represent that data. Here are two choices. Well that is just great.