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 ...

If square roots behaved as this formula asserts then we would have ... The tradeoff for that is giving up the nice properties that linear functions enjoy. Now if I can just get my students ...

Data can be overwhelming, but Excel's CORREL function helps you cut through the noise. Calculating the correlation ...

These formulas and theorems can help simplify ... concerned with finding the optimal value (maximum or minimum) of a linear function of several variables (called objective function) subject ...

A linear demand curve is a line representing ... shows how the price affects the quantity demanded The Qd = a – b(P) function is useful for calculating the demand as you adjust price.

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.